bruce has a great suggestion of a solid trainer with a radio and engine for a second plane for a reasonable price.
I beg to differ with a previous poster, but getting a 3ch plane is a bit of a waist of $$ you may not become bored with a 3ch but you will end up having to spend twice when you are ready to advance to a better plane most all planes trainer or otherwise have elevator,rudder, ailerons, and throttle. 4ch required for control.
with a 3ch radio you have rudder,elevator,and throttle with no room to expand when you improve your skills.if you want to fly a basic 3ch plane great but you might want to get a 4ch radio for when you get that next plane.
finding a club or just a expierenced pilot to help you out is the best way to be sucessful in this hobby,a simulator would be a second so when you are not actually flying you are still getting stick time.