If you can find one, this little plane is a fun one that can take abuse and get you started for under $100.
http://www.horizonhobby.com/products...n-bnf-PKZU1580
The RTF I have found for $90, so if you can find one, try it out. Once you get the hang of it, and some club time, look into a SIG Kadet LT40. It makes a superb trainer.