You might also follow a thread over at the guruofgaming forums. Killernotebooks got their hands on one and has started playing. He calls it the Nagamaki (it's a OCz Whitebook).
Typically, he also overclocks. He also does bios mods, os tweaks, core logic software, custom cooling, etc. Here are his benches so far.



He's been working on tweaking the gpu's drivers. So far on Crysis, he's up to:
stock: Run #1- 1024x768 AA=No AA, 32 bit test, Quality: High ~~ Last Average FPS: 25.83
best runs so far: Run #1- 1024x768 AA=No AA, 64 bit test, Quality: High ~~ Overall Average FPS: 48.525

and larger resolution with his latest
Run #1- 1900x1200 AA=No AA, 64 bit test, Quality: High ~~ Overall Average FPS: 30.8225