I have to agree with Mr. Holston
The TGA F-15 or even their Mig-29 would be the best D/F airframe to get started with. They are also priced reasonably.
E-mail them (
www.tgajets.com) and ask them to give you their best price on a combo package, for a "Go fly" set up on either one.
You can even save initial costs and get the F-15 with fixed gear plates and switch to retracts later.
Best of Luck with which ever one you choose!
Paul