http://www.standuppaddlesurf.net/
Here's another board that Joe Bark showed me during my visit to his SUP stand up paddle race board and paddleboard factory. This one is an 18' SUP stand up race board.
Read the full article here: http://www.standuppaddlesurf.net/2009/11/17/joe-bark-18-sup-stand-up-paddle-race-board/