Don't. Buy a gaming desktop instead.
Keyboard and mouse on a laptop isn't so bad1. there is no such thing 2. the ones available are expensive and overpriced 3. how exactly do you play games on a laptop, it will end up looking like a spider because you'll want a keyboard and mouse setup
Packard Bell. They still make quality machines, right?
you can buy a decent "gaming" laptop from dell for $1000-1500 if you find one of those coupons they always have out
no need to waste money on a name brand