reader has managed to score an HD4850 from PowerColor in Hong Kong, and he's even got a receipt to prove it.
It was sold for 1699 HK$, which is roughly $210, and the happy buyer was eager to put it through its paces. The card scored 15194 in 3Dmark06 on a Core 2 Extreme X9650 clocked at 4.0GHz. The GPU was clocked at 670MHz and memory at 1100MHz.
You can check out the forum posting and pictures here