Weird screen issues with 10.7.2

I just updated to 10.7.2 tonight, and immediately following the reboot, I started having problems. Scrolling in any finder window, or moving any windows around my screen causes screen corruption in the areas that are affected. If I scroll in a finder window, I have to then pull another window over that winow, then pull the finder window back to the front, or I can't read the file names or anything.
This is on a MacBook Air from late 2010.
I just tried taking a screenshot of the corruption, but apparently the highlighting that occurs in the process of taking a screenshot actually is another way to fix the window.
This is seriously a problem!

Does putting the computer to sleep then waking it back up help? if not
try resetting your PRAM
http://support.apple.com/kb/ht1379

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    and it shows its connected to itunes in the side,
    but wen i click on it, it wont do any thing. help
    i miss my ipod soo muchh!

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