Amazon offers the Sapphire Dual-X Radeon R9 280 3GB 384-bit GDDR5 PCI Express 3.0 Video Card, model no. 11230-00-20G, for $189.99. Redeem these $20 and $20 mail-in rebates to cut the price to $149.99. With free shipping, that's the lowest total price we could find by $10. Features include an 850MHz core clock, 5GHz memory clock, support for DirectX 11.2 and OpenGL 4.3, and HDMI, DisplayPort, and two DVI outputs. Deal ends February 28.