Go big or go home:
http://www.dell.com/us/p/alienware-m18x-r2/pd?refid=alienware-m18x-r2&baynote_bnrank=1&baynote_irrank=0&~ck=baynoteSe arch&isredir=true
3.8 ghz, 18 inch screen, and as much fucking ram as you want.
A friend of a friend had to off load his quickly to pay his rent so I picked it up dirt cheap. Love it. It's fucking huge though.