I played with Aptana Studio for a while before moving over to VIM, and the only thing I really miss about Aptana Studio is the way that in their project view window your file na
Have you looked at fugitive.vim? It doesn't do exactly what you're looking for in terms of color-coding NERDTree based on git status -- I'm not aware of any Vim plugin that does, though it would be awesome. It does function as a pretty great little Git wrapper, and allows you to quickly view your project's status in a split window with :Gstatus
. No need to go to the terminal. You can even add a branch indicator for the current file to Vim's status line.
You can watch the first in a five-part screencast on fugitive.vim here.