ak47jar3d said: Yes, your processor will bottleneck 750ti. Also, your ram amount is also a bottleneck, you should 4 gb of ram at least and 8 gb ideally.
ak47jar3d said: What's your motherboard? You can run 750ti it's just going to be restricted and will not reach 100 usage as it should (bottleneck).
ak47jar3d said: E8600 is the best processor you can get. I would get it, it will handle the gtx 750ti.
ak47jar3d said: Only in certain games that are cpu intensive (like crysis). If you upgrade your cpu and ram to at least 4 gb, you should be all set.