It looks that Gimp will get a new look. A leap forward in my opinion. This time it can be a real option instead of Photoshop.http://arstechnica.com/open-source/reviews/2010/02/hands-on-new-single-window-mode-makes-gimp-less-gimpy.ars
I never liked that it open in 3 windows. I don't see any point to make a program that will look strange for it's owns sake.
They implemente this thing late, but better late than never.