Ordered this card from Newegg on Wednesday, recieved Monday. It's replacing my Sapphire Radeon X1800XT 256mb. It's clocked higher than default 3850s (670->720, 830->900) and has the 512mb ram.
It has a bold looking cooler
Cooler blocks a PCI slot
Side by side with X1800XT
The cooler is loud idle, at least as loud as the 1800, but keeps nice and cool idle at 36-38 C.
Improves my Half-Life 2 Lost Coast benchark from 44 to 76 frames-per-second. 1600x1200 4xAA / 8xAF.
Crysis Demo has little improvement. For the first pass, frames increased from 20.75 to 24.23. Negligable. But a little more noticeable on the second pass, 22.74 to 30.05. 1280x720 all medium except Textures and Object Quality at high. I need dual-core CPU, it would help me. I have a 939 3800+ Venice @220fsb=2640mhz. I think I'll order a 3800X2 and OC it to the same speed. Should help alot.
3Dmark06 was great. At default 1280x1024, went from 4032 to 6800. I look to profit from none dual core CPU optimized games. Dual-Core should allow the potential of this strong card.
A professional review can be found:
That review is of the Xtreme version which is identical except it has built in HDMI. Mine came with an adapter though.