Rating: 
Summary: Bulky Battery Monster
Review: I have been using SP-90 for almost a year now and haven't experienced any major problem. After firmware upgrade, it "thinks" faster, plays from a playlist, and rarely skips. It comes with earbug style headphones, not very powerful but very comfortable to wear. However, this thing is pretty big fella and can really weigh on you if you carry it around all the time. The worst thing is SP-90 drains a pair of AA batteries every 4-5 hours and it doesn't use the standard CD player adopter. I find myself changing them at least every other day! My 2 cents:
1)Spend a bit more and you might be happier getting the slim iRiver MP3/CD player
2)If you already own an SP-90 or if you have to get one, stock up on batteries!!
Rating: 
Summary: simply, useless.
Review: at first it was working fine, but as little by little i realized that the player wasnt lasting for more than 4 hours. i was ok with that at first. but it started happenening EVERY DAY or so. by then, i was worried. so this one time, i put new batteries in, and i pressed play... and... it didnt go on. by this i was really [mad]. i left it on my table for 2 weeks, and tried to make it work again. it worked... but for only 1 month, with the other complications i had with this. on top of ALL THIS, there was that skip thing. whenever i walked, the player would stop playing, and i would have to wait for about 5 sec, before it came back on again. anyone looking at this product should stay away from it.
Rating: 
Summary: A fantastic player.
Review: All the RioVolts in the SP line (90, 100, 250) are great. I have the 100. It's anti-skip is wondefully good. I almost never am able to get mine to skip, especially when playing mp3's. It's built well, has a great shape for holding in your hand, and sounds great, too. I really don't see the purpose in getting the 250 unless you're absolutely sure the stations you'd be listening to will come in clear on it. You'd likely be better off buying a seperate little radio that would deffinately get better reception and cost you 1/4 of the price difference between the 90 and the 250. And the fact that the 250 is firmware upgradable and the 90 is not is not a big deal either; my 100 is upgradable, too, but it was fine before I upgraded it! In any case, any of these RioVolts will make you happy to own one.
Rating:
Summary: Rio must be short for RIp Off...
Review: To market any CD that requires changing the batteries more than once every four or five discs (at minimum) is only marginally acceptable. To do so with one that requires it every other disc should be punishable by castration and stoning. The thing skips if anything larger than a mosquito flies by in a fifteen foot radius. The battery case opens by farting on it (yeah, i tried it). And what's with the fruity little running man? Kitsch is cool for bar signs and bowling shirts, not electronics.
Rating:
Summary: Horrible Customer Service and Lousy Product
Review: Learn from me and buy someone else's product because their customer service is horrible if you encounter any problems!
The company customer service representative informed me that they are undergoing an acquisition and cannot currently fill orders for their products. I have been waiting for my carry case, which I ordered over 3 months ago, and still have not received it. They told me on 4 occasions that the case was shipping the next day but I haven't gotten it. Now, they tell me that it is on back order again (when the last time they told me they would overnight it the next day) and I will have to wait another month or more, and they refuse to allow me to cancel the order to obtain a refund of my money. Oh yeah, if you're still crazy enough to consider buying this or any other Rio product, the player is of less than average quality, very poorly built, and very poor performing. For example, the battery cover comes open with the slightest touch and although marketed as skip-free it does skip with even minor bumping when I am walking with it in my briefcase. Do yourself a favor and buy another player!
Rating:
Summary: satisfied
Review: BAH!!...i dont see what everyone else is whining about.
I've had my sp90 for a year and a half now. I've dropped it multiple times onto concrete, and it still works like new.
It NEVER skips sporadically, but i will grant that the skip protection doesnt last 120secs anymore. It takes about 10-15 seconds to load, but only noobs should complain about this, as it can't magically read 100 ID3 tags in a split second!!
Anyway, a solid product, fills the needs of any mp3 user who also likes their cd colection. All for a great price.
Rating: 
Summary: Piece o' ....
Review: A boyfriend bought this as a gift for me after I checked out the reviews on amazon.com and thought it looked pretty good. At first, it was great. However, within 2 months I was having problems similar to those others have mentioned on here, including: 1) CDs (both MP3 and regular) taking either forever to start playing or NEVER playing (spinning and spinning but never starting!); 2) the CD would start playing but would suddenly hang up in the middle of track, or at the beginning of the track. I called customer service; they told me to try cleaning the laser lens. So I bought a kit, did it over and over again - and, no improvement. In fact, the lens cleaning CD itself kept hanging up!! So I just called customer service again and they are going to replace it with a new product, apparently a totally different model although they wouldn't say which one. *sigh* Just hope the new one works better!!! I would stay away from this model....
Rating:
Summary: It has its problems....still....
Review: It was a good thing I got a year warranty on this thing because a month before its "first anniversary" with me, it wouldn't work properly. I couldn't even move it an inch without the CD/MP3 skipping sporatically. After it stopped working all together, I sent it in for a replacement. I know they replaced it as promised because my old one had a scratch on it, this one didn't. Well, it still has problems and sometimes acts like a miniature LP player where if it doesn't like a particular song it will become stuck. Silence ensues and I'm walking around listening to nothing. I am wondering if perhaps this particular model can't stand constant play, as I do listen to my MP3's constantly! but still, it's just a CD player and even on regular store-bought CD's it does this "help I'm stuck!" thing. Not even skipping a few seconds helps and I end up having to kick it across the room a few times before it behaves itself! In spite of all that, I love it and use it all of the time. I go through a hella lot of batteries, but what else can I do? It does help to have rechargable batteries and about this 120 second anti skip?? All I can find to program on this blue beauty is 10 sec. and 40 sec. Lately it takes up to a full minute to load any sort of CD and I'm really wishing for something that won't have to use CD's at all, although, I hate the thought of converting all of my CD's into MP3's just to listen to them! Choices and decisions! I say, go for something different and perhaps RioVolt will discontinue this beast.
Rating:
Summary: A fine product
Review: I own two SP90's, both bought for my kids. The MP3 playback works great, you really can't get it to skip. Battery life is terrific on MP3's because you can set it to spin the cd only when it needs to read more data. Most of the time it plays from its own memory, which uses nominal power, and the cd is still. Despite the reviews of other users here I can't complain about skipping on normal cd's either. You've got to shake it pretty hard to get it to skip. There seems to be a lot of refurbished versions of this player for sale. Both of mine are refurbs. I couldn't be happier with the players, but if you are considering a new one, rather than a refurb, better make sure you can return it just in case.
Rating:
Summary: Quit working
Review: This item worked for a year and then died completely. It only had light use and I would not recommend it to others.
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