I would also lean towards a 6950 2gb. Reasons: no need to buy a new board, potential ability to unlock the shaders, the 2gb frame buffer would be helpful at eyefinity resolutions,
Anthro Computer Cart has several nice options @ anthro dot com. Depending upon your location, you might be able to nab a used one off Craigs list at a reasonable price.
Received mine from Directron today! All the cables & remote included. Physically, the monitor looked brand new. The usage timer indicated 10hrs! My settings are 6500k, 50% contrast, 25% brightness, 20.8% sharpness, ADV off, and DV standard. Other than the speakers being weak, I love this...