If you're on a budget, go with a laptop with the AMD A10 4600M. $499 gets you 8 gigs Ram, 1 TB HDD. And it plays any game quite well for a $500 laptop.
http://www.staples.com/Toshiba-Satellite-S855D-S5148-156-Laptop/product_167760
HP makes a 17", though not well rated, so no link.
If you've got...