Rightyho. I currently have an i7 920 on a gigabyte ex58 ud5 with a gtx 570. Im thinking of upgrading and was originally gonna build a whole new system and water cooling it. Was gonna go for 2 gtx670.i then thought about just upgrading my current build. My main question is will the cpu limit the sli'd gtx670s?
If this is the wrong place to post it let me know too
I'm pretty sure that first link is like the definition of bottleneck, AKA cpu performance being a cap to framerate. I've got an i7 930 @ 4ghz, and a 7950 (so basically your proposed set up), with one card i haven't run into any bottlenecks, and the OC removed a lot of what i was seeing in arma2/planetside2.
I'm sure it still exsists at the top level where it doesn't matter (who cares if i'm getting 60 frames as opposed to 70), if i had $750 to blow on parts i'd just buy a 680/7970 for around $450 and buy a gigabyte UD5/UP5 and an 8350fx/i5 3570k (though i'd shoot for an i7) with the remainder.