Hmmm, I missed that. I thought they were going to do a firmware release or something.
http://support.apple.com/kb/TS3589MacBook Air (Late 2010): Video anomalies after waking from sleep
* Last Modified: November 18, 2010
* Article: TS3589
Symptoms
After waking from sleep, your MacBook Air display may flicker or fade from light to dark repeatedly.
Products Affected
MacBook Air (11-inch, Late 2010), MacBook Air (13-inch, Late 2010)
Resolution
Download and apply the Mac OS X v10.6.5 update to resolve this issue.
Use one of the steps below to get the software update:
* From the Apple () menu, choose Software Update and follow the onscreen instructions.
* Download the update directly and follow the onscreen instructions.
You will need to restart your computer after installing the update.