You can get GTX 280 for $389.99 after MIR
Newegg.com - BFG Tech BFGEGTX2801024E GeForce GTX 280 1GB 512-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Desktop Graphics / Video Cards
EDIT:
Tigerdirect is selling the same GPU for $384.99 after MIR
BFG GeForce GTX 280 Video Card - OC Edition, 1GB GDDR3, PCI Express 2.0 x16, SLI Ready, (Dual Link) Dual DVI, HDTV, HDMI Support, VGA Support BFGEGTX2801024OCE at TigerDirect.com
Or you can get PALIT GTX 280 for $369.99 after MIR from ZipZoomFly
PALIT NE/TX280+T305 Geforce GTX 280 1GB GDDR3 PCI Express x16 (2.0v) Video Card Retail at ZipZoomfly
Newegg.com - BFG Tech BFGEGTX2801024E GeForce GTX 280 1GB 512-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card - Desktop Graphics / Video Cards
EDIT:
Tigerdirect is selling the same GPU for $384.99 after MIR
BFG GeForce GTX 280 Video Card - OC Edition, 1GB GDDR3, PCI Express 2.0 x16, SLI Ready, (Dual Link) Dual DVI, HDTV, HDMI Support, VGA Support BFGEGTX2801024OCE at TigerDirect.com
Or you can get PALIT GTX 280 for $369.99 after MIR from ZipZoomFly
PALIT NE/TX280+T305 Geforce GTX 280 1GB GDDR3 PCI Express x16 (2.0v) Video Card Retail at ZipZoomfly