ZipZoomFly has the MSI R4870-MD1G Radeon HD 4870 1GB PCI Express x16 (2.0v) Video Card Retail for $176 - $30 MIR = $146
Credit to proro1974 at slickdeals.
Also, Newegg has the MSI R4850-2D512-OC Radeon HD 4850 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card -...
I have one of these and they do get pretty hot, but not any hotter than the standard 4850. Never had any gameplay problems because of heat. Also, got my rebate approved in 6 weeks.
A Newegg CSR invited me to give Newegg a review on ResellerRatings and to link her to my review after I do it. I did, and they sent me a Newegg Canon hat, pretty cool.