Comment brush system sucks (Score 1) 900
I render/paint in Photoshop and Painter, and that is where GIMP really fails. The brush system is absolutely horrid, with half of the controls under the toolbox and the other half on the brush palette.
Not to mention the silly UI takes up a large portion of my 24" monitor and is useless on my laptop. The toolbox is HUGE and leaves little space for the actual workspace.