Connect3d ATI X850 XT Platinum Edition is being sold on Monarchcomputer.com for $485. Offer stands till July 2nd and is applies to the first 100 purchases only.
They also have the same kind of offer on PNY Quadro FX 1400 128MB PCI-E... $100 off, and offer stands till the 2nd of July (applies only first 20 purchases).
For more details, here are some links:
http://www.monarchcomputer.com/forum/showthread.php?s=&threadid=4523
http://www.monarchcomputer.com/forum/showthread.php?s=&threadid=4524
They also have the same kind of offer on PNY Quadro FX 1400 128MB PCI-E... $100 off, and offer stands till the 2nd of July (applies only first 20 purchases).
For more details, here are some links:
http://www.monarchcomputer.com/forum/showthread.php?s=&threadid=4523
http://www.monarchcomputer.com/forum/showthread.php?s=&threadid=4524