Newegg has the XFX HD-645X-YNH2 Radeon HD 6450 512MB 32-bit DDR3 PCI Express 2.1 x16 HDCP Ready Low Profile Ready Video Card for $35 - $20 rebate
[Exp 5/31] = $15
with free shipping. Includes free Orcs Must Die game coupon with purchase. Features a 625MHz core clock, HDMI, D-Sub and a DVI port.