said by spacebeef 
:I just bought a DIR-655, everything is fine. I have a Wii, a Xbox 360 and and second computer connected by a wire on the second port.
With the Xbox 360 and the Wii, the connections are great.
Now, this is where the problem is, I downloaded a game demo (more or less 700 megs) and when I was surfing on the web using the computer where the router is connected on (Using Windows Vista Home Premium), the optical logitech mouse was going nuts, I could not control it. When the game was downloaded, everything was back to normal.
Also, I noticed that my ISP connection (Cogeco) is a little bit slower.. It takes more time to log on the mail server and tell me that there is no message, with my previous router, a WRT54G, it was way more faster, I almost didn't have time to see the "no new message" display..
Any ideas guys? Thanks..
You have G device still on N network. Those will bring the network throughput down on the DIR-655. To fix that problem turn the WRT54G into AP if you don't have that option then use DD-WRT firmware for that router. So what your doing is isolated G network from the N router network. Even if you set the router to 802.11b/g/n and set the 20/40Hz to auto. I would still not run G and N on the same router. 
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