$299 GTX 260 from ASUS and EVGA after MIR
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121257
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130370
$470 GTX 280, also from ASUS and EVGA after MIR
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121252
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130365
There's also some GTX 260's hovering around $330 and GTX 280 around $500 from various other vendors like Palit, MSI, Gigabyte and XFX.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121257
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130370
$470 GTX 280, also from ASUS and EVGA after MIR
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121252
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130365
There's also some GTX 260's hovering around $330 and GTX 280 around $500 from various other vendors like Palit, MSI, Gigabyte and XFX.