help me buying a laptop

i want to get a laptop and i want it to be able to run games on a good quality. For example assasin creed 2

i want:

blue ray

an HD monitor( i dont know how important this is but i think its cool)

my current graphic card is an nvida geforce9800gt and i want this laptop to be an upgrade

has to be portable

a friend of mine sugested this:

http://www.sonystyle.com/webapp/wcs/stores/servlet/SYCTOProcess?catalogId=10551&storeId=10151&langId=-1&LBomId=8198552921666180154&categoryId=8198552921644692000

with the high settings

i dont want to spend 1500 dollars just from hearing one opinion so i would like to get as many as posible

thanks

bump