Seems like ATI prices have reduced by a great deal.
4890 is now available for $189 Free shipping
Newegg.com - HIS Hightech H489F1GP Radeon HD 4890 1GB 256-bit PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Desktop Graphics / Video Cards
4850 x2 1G $187
SuperBiiz.com - Sapphire ATI Radeon HD4850 X2 1GB DDR3 4DVI PCI-Express Video Card
4870 1G $149
Newegg.com - XFX HD-487A-ZHFC Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Desktop Graphics / Video Cards
4870 512MB $124
Newegg.com - POWERCOLOR AX4870 512MD5 Radeon HD 4870 512MB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Desktop Graphics / Video Cards
4850 512 $96
SuperBiiz.com - PowerColor ATI Radeon HD4850 512MB DDR3 DVI/DisplayPort/HDMI PCI-Express Video Card, Retail
Time to upgrade?
4890 is now available for $189 Free shipping
Newegg.com - HIS Hightech H489F1GP Radeon HD 4890 1GB 256-bit PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Desktop Graphics / Video Cards
4850 x2 1G $187
SuperBiiz.com - Sapphire ATI Radeon HD4850 X2 1GB DDR3 4DVI PCI-Express Video Card
4870 1G $149
Newegg.com - XFX HD-487A-ZHFC Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Desktop Graphics / Video Cards
4870 512MB $124
Newegg.com - POWERCOLOR AX4870 512MD5 Radeon HD 4870 512MB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Desktop Graphics / Video Cards
4850 512 $96
SuperBiiz.com - PowerColor ATI Radeon HD4850 512MB DDR3 DVI/DisplayPort/HDMI PCI-Express Video Card, Retail
Time to upgrade?