4*40 or 4*60 ARF
Not exactly fast--but tons of fun.
If ya want fast--then get a pattern type airplane or maybe an old style pylon.
GP Little Toni or GP Minnow.
Or maybe try one of these:
http://www.americanpioneerhobbies.com/speedair.html
http://www.americanpioneerhobbies.com/gladiator.html