Newegg has the EVGA 02G-P4-2651-KR GeForce GTX 650 2GB 128-bit GDDR5 PCI Express 3.0 x16 HDCP Ready Video Card for $140 - $20 rebate [Exp 1/31] = $120 with free shipping. Features 384 CUDA Cores and a diminutive length of 6". Assassin's Creed III (PC) included with purchase. 
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Read the History... this is NO Deal!
If you want it more for the Free copy of Assassins Creed III (I never recommend purchasing a card based for more the title they provide), but if your heart is set on that then do yourself a big favor go with this MSI Power Edition N650Ti PE 1GD5/OC 1GB 128-bit GDDR5 that's $130 -AR$20 w/FS, which still gets you the game.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127704
Yeah, what that guy said. The 650Ti is a much better buy.