Having ridden Stephen Alee F3 MC21 on several occasions, I can only agree with you Dave. Probobly the best road bike ever built. The motor is monster and sooooooo grunty with a healthy top end rush as well. Steve even had trouble keeping up with me when he was riding his factory kitted RC45! Well up to 100mph at least.
With more power than my RS250 (74bhp) and running on pump gas it is the only way to go. Shame they are so rare......guess that's what makes em so sweet!