Irrlicht Engine

You should make it so there is only one version, professional. then, make it cost like $10-$20 and you would probably make more money than charging $200. A demo would be nice too but at least someone doesnt have to spend a ton of money and find out that the program sucks. I personally would never buy this without trying it.

Your screenshots look old and haven't more special features.
Last month, I bought Torque Game Engine. TGE don't develop on another game engine as Irrlicht. It look great, especialy TNL.