[sm=thumbup.gif]Check out this thread for starters.
http://www.rcuniverse.com/forum/m_11...tm.htm#1109761
Good info that will help you decide where and with what to start. The most important thing is to be honest with yourself as to your capabilities and experience with fast, heavy airplanes.
I went the ducted fan route but if you afford it, a turbine is where to start.
Find out who in your area flys turbines and pick their brain.

Don't be afraid to ask questions
"'cause ain't none of them dumb!"