On the other hand, how many people do you know in the hobby who have just one engine? Lots of uses for a .25 to .36 size engine later on - I have three planes with engines in that range right now. Keep it light; plenty of time to enjoy the heavy metal later, if that's your style.

I flew a Skylark 56 with an OS .25 FP ... it flew fine with that engine. It's basically a low wing Falcon. Anything you use from a .25 to a .36 will be plenty at this stage. I would buy a TT .36 from Radical RC for $80 plus $2 shipping. http://www.radicalrc.com/shop/?shop=1&cat=6&

People buy a .46 and then they have to have the newest .55 because it's only another ounce or two and "you can always throttle back". There's no end to that.

Jim