Blue,
I suppose kit bashing would be your best bet, but if you want an interesting quasi-warbird, check out this thread.
http://www.rcuniverse.com/forum/Twin...1624610/tm.htm
You might try getting John Marien at NE Aero to sell you the plans only (with the twin rudder option) for his Twin Air 45.
Check his website:
http://ne-aero.com/
John