For what it is worth, the following setup will provide about 10 minutes of semi - aggressive flying time with performance equivelant to a 40 size plane. This plane will also take off from a grass field with no problem at all.

Model Electrics Corp http://www.modelelectronicscorp.com/ or call 1-866-507-9956 and ask for Pete. The plane is a Freedom 3D with a Mega 20-22-2 motor, gear box, prop, etc. It includes everything you need except the battery pack (10 cell 3300 nimh pack) , servos and receiver. Price is ABOUT $435 for the plane/motor etc.

I have this plane and love it. It is not a beginners plane. It is for intermediate (on low rates ) flyers or better.