I am curious as well what your thoughts are of the setup? I need a new fork cartridge and at $400 for a new one plus the lower piston and shims I am considering this option. I am a novice machinist and can handle the spacers and boring with no problems. You can get these forks for around $300-$350 shipped all day on ebay.
After having them of to the tuners, I am very happy with these forks. All the outher guys that ride my bike can't believe how well the bike handles and how well it soaks up the big hits.
Looking to do the same with a '09 WR300 On the off chance that you are still using this forum I'd be real interested to know who you got to do the triple clamp sleeves as they are pretty trick!