is it worth it ? considering most 7950 seem to be higher than 660ti on amazon
http://www.amazon.co.uk/Asus-GTX660-TI-DC2-2GD5-Graphics-PCI-Express/dp/B008X3CMSE/ref=sr_1_7?s=computers&ie=UTF8&qid=1358203757&sr=1-7
the deal dosent see that amazing but that is a very nice card still. Look on the internet for benchmarks from the games you are wanting to play, and see which card preforms better.