Edit: Newegg has it for less (OEM - $128.00, retail - $130.00)
http://www.newegg.com/Product/Product.asp?Item=N82E16814102665
http://www.newegg.com/Product/Product.asp?Item=N82E16814102666
Sapphire ATI Radeon X1600PRO AGP 256MB
Price is: $145.00 + Shipping; shows 18 currently in stock.
http://www.excaliberpc.com/Sapphire_ATI_Radeon_X1600PRO_AGP/100148/partinfo-id-562851.html
http://www.newegg.com/Product/Product.asp?Item=N82E16814102665
http://www.newegg.com/Product/Product.asp?Item=N82E16814102666
Sapphire ATI Radeon X1600PRO AGP 256MB
Price is: $145.00 + Shipping; shows 18 currently in stock.
http://www.excaliberpc.com/Sapphire_ATI_Radeon_X1600PRO_AGP/100148/partinfo-id-562851.html