best wireless and hardwire router

I was woundering what the best router for situation is ... I have Comcast and have the blast package witch is 50 Mbps down and 10 Mbps up ...I am a major gamer and need a reliable wireless connection to 6+ devices at a time I also have an Xbox 360 and play a lot of cod on line and I have a lot of friends that want to come over and bring there comps and play games like wow and other high bandwith games all at the same time so 6+ comps runnijg wow at same time and need something that can handle all that price isn't really a factor I would like to keep it under 300$ but if its over that's fine to

And needs to work with my Comcast modem