Suggest a graphics card

I currently have a GT610 and I would like to upgrade my graphics card. Could someone recommend a decent graphics card for me? I play games such as: Tomb Raider, Arma, Splinter Cell Blacklist, and Skyrim. I've been looking at a GTX 750, but if someone has a better idea for a graphics card based upon my computer and games with a price rage of about $200 or maybe a bit more or less, that would be great.
Link to my computer:

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=8939446&CatId=114
 
GTX 960 or an R9 280X (might be $20 over). Those are your best performing cards for that amount. I'd go with the 960 for energy and temperature benefits though the temps won't be too much better.
 
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