I can safely say that gmax is the most powerful modelling tool for the buck. It is most definitely NOT a "piece of crap" .
It is a pain in the butt to learn if you're not patient, and cannot visualize in 3D.
If you don't have any 3D modelling experience, and just dabbled with a paint program, it's like learning to fly a glass cockpit King Air, when you've only flown an ultralight. If you have some 3D modelling experience, then it's more like jumping into a King Air from an analogue instrumented Baron ...
