OK i just bought 3dgs 3 days ago and i would just like to say just fromlooking at the demos It is the best.

1. One problem though is that when i try to open the model editor i get a cant load gxl object how can i fix this?

Also i have a few basic question.
2. If i bought the $49 version can i sell the games i make?
3. Also does the $49 version have collision detection.( read some where that only the $89 version has a physics engine. Or is that 2 different things?)

4. And can i integrate my own physics engine into my game?(newton, ode, or my make my own?

If you can answer tese question that would be great.
Thanks