Just to toss a wrench into the thread How about Avon Venom X.
This is what I have been using for several changes and am very pleased with the performance and tire wear.

Tires: 100/90H18 170/80H15
Metzeler Tubes 325-460 x 18 170/80-20/70-15

BA has Freak, 160mains, 44pilots, air mix3 1/2 to 4 turns, BUBS dresser dogs. Never had more fun on any bike - 2nd bike 2008 RIIIT