I agree with the above. You will be more and more CPU limited as you get a better graphics card. I would go for a used 560/560Ti with your rig (or wait for a good sale). The only way I would recommend a 660Ti to you is if you will be upgrading the rest of your system in the near future.
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Desktop: Arc Midi R2, Z77-D3H, 3570K 1.09v/4.1ghz with Zalman Optima Cooler, Corsair Vengeance 2x4gb@1866mhz, XFX R9 280X DD, Bitfenix Fury 750w, WD Black 1TB, Intel 530 120GB
Away from home light Gamer: Acer Aspire 15.6", A8-3500m undervolt and OC to 2Ghz, 2x4gb Corsair Vengeance, Crucial M500 240gb |