Is this a decent gpu for the price?

http://www.microcenter.com/product/400524/01G-P4-2650-KR_NVIDIA_GeForce_GTX_650_1024MB_GDDR5_PCIe_Video_Card

No

Better go for 7770

So a card like this

http://www.microcenter.com/product/403019/R7770-PMD1GD5_AMD_Radeon_HD_7770_GHz_Edition_1024MB_GDDR5_PCIe_30_x16_Video_Card

For 109$, yes it is, but if you see a 460 or 560 at the same price, get one of those instead. *HD 7770 is also a great choice, and actually a lot more powerful.

I will just go with the 7770 for now