I got the i7 model with 2GB Geforce 540M. Laptop is rather nice. Getting used to it. Good enough to do work on. Really need 8GB though (still got original 6GB). And yes, it will make your arms strong. It is heavy. It does have really good sound though (not that I ever use it).
((λ (x) `(,x ',x)) '(λ (x) `(,x ',x)))