If you're looking for a 3D trainer you can really beat the crap out while learning, take a look [link=http://www.spadtothebone.com/SPAD/SPA3D/]here[/link] or [link=http://www.spadtothebone.com/misc/spa3dt.htm]here[/link]. I am learning 3d on both of mine and the abuse they will take is unbelievable. About all you need to learn with either one of them is a good supply of props.

Just a thought,