I just purchased a new Linksys WRT54GL router because of my performance from my older router. And I have to say that I have significantly noticed a change in DL and UL speeds. Significantly, a 194% increase in DL speeds. Here are my recent results from speedtest.net:

I have been “pulling host” on Call of Duty: Modern Warfare 2 every time when starting from any lobby. STFUxN0085xFTW!!!

Anyone considering upgrading to a better router, you should definitely check out Linksys WRT54GL.