Ok, I know alot of time is being spent trying to market on other 3d forums, I understand the motive, but...
I tried to reinstall and that UI error is still present.
I don't see this. I'm wondering what your screen resolution is....
I am having an issue with Lion where the modeling window doesn't display the different 'sections' (i.e. flex, boolean, etc). I'm not sure if this is a Lion specific issue.