x51

Hello, I'm thinking of buying the Alienware X51 desktop. I'm having some difficulty in choosing between 2 models. One of them has the i5 3450(3.1GHz, 6MB L3 cache) processor and the other has the i7 3770(3.4GHz, 8MB L3 cache) processor. There is a difference of Rs.3000 between the two models. I...