If you are looking for performance check out the TMS-20 that I am building.

http://www.themanshed.net/tms-20-trimaran/?g2_itemId=30

This is the basic design I started with then we modified it. Working on the prototype now.
LOW 20'
Beam 17'
Mast 31' carbon
Construction: Foam / carbon fiber
Est. dry weight <500lbs

Mike Shappell
www.themanshed.com
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's