Rating: 
Summary: Good product, but not much fast...
Review: I bought this 614+ with a D Link AirPlus DWL-650+, also supports 22 Mbps. When I tried to transmit some files under 22 Mbps mode, speed was almost same as 11 Mbps mode. I think the firmware and drivers are not optimized well enough. The DWL-650+ has cardbus interface and it's really 20% faster than other 802.11b products which has pcmcia interface as they insist. This router has good web based interface and good quality.
Rating: 
Summary: Garbage
Review: This product works for a couple months and you "think" its the best thing since sliced bread... HOWEVER as the months go on, it starts having problems... such as rebooting itself at random times disconnecting you from the internet, and not allowing you to view certain web sites. Technical support is very slow and couldn't resolve my problem. After several WEEKS they issued an RMA and sent me a refurbished model with the same problems. So I wouldn't recommend this product, or any D-Link product if you want something that's going to last and work for more than a year.
Rating:
Summary: Better than the regular ones
Review: I too, have the older model that has the dual antenna. Compare to our old trusty Apple wireless airport router, it does have longer range and stronger strength. Real world tested with both mac and pc.
Set up is easy following the instruction provided. And the unit is reliable. Good deal. Unfortunately, I have no idea how the newer single antenna model performs.
Rating:
Summary: Older model with two antennae works great
Review: The DI-614+ has two different chipsets. The older models, like I have, can be recognized because they have two antennae, while the newer ones have a single antenna. The only problem I have with mine is that my 2.4 GHz wireless telephone interferes with it and so using the phone can cause the wireless signal to go out. But this is a problem for almost all wireless routers. Otherwise, any problem that I've thought I had with the 614+ ended up being a problem with some other part of the hardware/software puzzle that is home networking. I also own a Linksys WRT54G and it has worked flawlessly too. Buy whichever one is cheaper. You'll be fine.
Rating:
Summary: Trouble, trouble, trouble.
Review: I read alot of the reviews here, and half of them say they plug it in, forget about it, and love it. The other half say they have difficulties with it in one form or another. I know, though, for a fact, that trying to fix problems you MAY have is a pain in the ass. D-Link's tech support has solutions to offer you, but as I and half the internet community can attest, they very often don't work. There is also the fact that OLDER versions of their firmware are more stable than newer versions. One of the things I've seen very rarely on their own webpage, and constantly from other users on the internet, is that -downgrading- your firmware is the solution to many problems. My reccomendation, if you must buy this router, it so download Trendware's firmware - You can make the DL 614+ accept the foreign firmware(Google it, if you must ask), and Trendware's actually WORKS. The 614+'s firmware is worthless, and even their tech support don't know how to make it work. Worse yet, their tech support don't seem to know what they don't know.
Rating: 
Summary: Nothing But Trouble
Review: Let me start by saying that I work as a system and network administrator, so I know what I'm doing when it comes to this stuff. I have successfully set up many wireless networks at employees' homes, usually using Netgear products. I went with the D-Link this time because I needed extra range and wanted to use their DWL-800AP+ Range Extender. This part worked as advertised, and increased the range by at least 50%. I decided to use the 802.11b (rather than g) product because it seems I read about fewer problems with b products. However. the DI-614+ has been nothing but trouble. It works...for a while. Then the wireless hosts suddenly lose connectivity even though they still show strong signal strength. Also, when the laptops (both XP and OS X) woke from sleep, half the time they wouldn't see the network for a while. I called D-Link technical support several times and various techs had be try changing various settings, but we could never get it working reliably for more than an hour. This was using firmware release 3.35. The kicker came, though, when I turned on Static DHCP. Once this was enabled, the router started rebooting every minute or so. I called back and they had me do a full reset of the router and it was back to its kind of working state. But once I re-enabled Static DHCP (I need this so that I always know the IP addresses of various hosts so I can reach them when performing my own tech support) the constant rebooting began again. The tech suggested I downgrade to 3.20CM, but I saw in the notes that Dynamic DNS is broken in that release, and that's another feature I need. I tried 3.28 and it had the same trouble with Static DHCP. After messing with this for almost a week, I'm going to run out tomorrow and buy my old reliable Netgear MR814v2 and an antenna.
Rating:
Summary: Turn it on and forget about it!
Review: Bought this a while back and have been very satisfied (easy to do after power cycling my horrible Linksys 3 times a day for months!). I have not had to power cycle this ONCE since I bought it -- it just keeps chugging along. I haven't pushed the signal strength much (seems to be a common complaint). My one issue is a few times a day the signal seems to drop from 11 MBps to 1 MBps, and the 1 MBps signal generally does not communicate with my laptop well - so I end up going to the little signal app on the toolbar (Prism), click "Rescan" and everything is up and running just fine again. This takes all of 4 seconds, so it's not been an issue. I'm using a built-in wi-fi on my laptop, so it could be a communication issue with that. Also, it seems to talk with the my DSL modem just fine.
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