Janet,

Looks like a candidate for a 280 size motor, with a geabox,(easily obtainable from Tower Hobbies, and the like.)
A micro radio set up w/throttle (speed controller) elevator, and rudder. Laser 4 from Hitec is a good one, available from Tower for 109.99. A 10 amp speed control for throttle will run about 25 dollars, and a 270-350 mah nicad pack will do it.
Never are you out of your leauge, just ask a lot of questions, and you'll be flying soon. Hope this helps,

Jetts

P.S. Pick up a copy of "Flying Models" magazine, or"Model Airplane News" magazine, and look at all the ads for these items.