For new boats here is the AHPC website:
http://www.ahpc.com.au
They do not make the Taipan 5.7 as of 2004.
They do make the 4.9, A-Cat, and the Capricorn F18.
Speaking of the Capricorn does anyone know if there are any in the US yet?

I am the one who bought Ricks 5.7. For me the boat fits perfectly for what I want to do. I want to race to have fun and I want a boat that hauls a$$ in 8 knots of wind and won't kill me when I have to drag it across the beach during low tide to the trailer. For what I want the cost was well justified. I think I got an awesome boat at a great deal. If I was a competative racer I am sure I would have bought an F18 due to my current "sumo-sailor" status If I was more sveldt I would have probably went with an F16 due to it's versality of solo or two up sailing.