if you're looking for top of the line laptops for gaming, then Alienware is for you. it's a computer box (meaning PC, laptop etc) that is SPECIFICALLY designed for gaming. but all that comes at a pretty hefty price (expect to drop at least $1,000)
Alienware - Gamestop.com
besides that, my boyfriend is a heavy RTS PC gamer whatever, and he uses an HP laptop which works pretty well... it' the HP Pavilion Entertainment PC so it's good for all that. it even has buttons at the top for DVDs (like to play/pause, stop, fast forward etc) but i'm not sure if that's available anymore, but here's a few of your options...
HP Laptops - Circuit City