Getting a Laptop (need help)

Right after weeks of looking into them ive narrowed it down to 3

http://www.laptopsdirect.co.uk/Pega...0/version-1.asp ( Going to ring up and increase it to a 2gig if i get this one)

http://www.laptopsdirect.co.uk/Sony...K/version-1.asp (my orginal fav)

http://www.laptopsdirect.co.uk/ASUS...11C/version.asp

Right at the end of the day i want the one that will give me the best use of.

i want to be able to play MXO as good as i can now (setting all at max no lag)
a good battery life
play even some of the latest gae out/ coming out
very mobile
good connection
use in college for work just as well as games

i think you guys may know the sort of thing i mean, im still new to laptops, this would be my first laptop, end of the day i just want to play MXO and do work and other things on it seening as im out a lot more now (dam college, work and friends!!)

Thx for help guys