I couldn't post under Bugs, so I'll post here.
I am running TabIt on CrossOver Mac 8, and I noticed a couple of really minor things. First off, if you have a mouse with a scroll wheel, on top of scrolling, it will move the application window up.
Also, if you have Spaces enabled and have moved TabIt to a secondary space, if you hover over an item to see a tooltip, the tooltip will display on Space #1 and switch your focus to it.