8GB is fine, but if you want the Alienware 17 with a 1080p screen it costs around 1650 . . . but for 100 bucks less you can get something like this:
http
/www.xoticpc.com/asus-g750jxrb71-backorder-p-5969.html . . .
Alienware are kind of cool machines, but a little overpriced for whet you get. That site I linked has tons of gaming laptops that are great. Sims 3 isn't really all that demanding of a game.
Thank you!!!!