Yeah. The i5 2500k is a good compromise but if you're considering shelling out for two top end graphics card in the future you should also consider an i7 as well as the difference in price is not really that much considering.
*makes note to self who learned the hard way*
Its nice to know hyperthreading does something after all.
It also explains why in an earlier post on this thread I got the same graphics score (well within 1 point) running an i7 980 @ 3.7 and then 4.44ghz