If you're into kit bashing I recommend an Enforcer. It might not be quite as simple as some of the pure trainers, but it's a lot more fun to fly and is cheap.

Below is a couple of pictures of my first turbine, which is still going strong after 145 flights.

Also here's a link to my build thread
http://www.rcuniverse.com/forum/m_24...nforcer/tm.htm

Joe