When it was me, I went with a cheaper intel build and then saved up for a really nice gpu. If you didn't play battlefield, I'd say go with a dual core i3, then put the money saved toward a nice gpu, but bf3 is pretty processor heavy.
If you live near a MicroCenter pick up the processor there and you can save like $50 since they sell them as 'loss leaders'.
If you live near a MicroCenter pick up the processor there and you can save like $50 since they sell them as 'loss leaders'.