I've been watching their stuff for awhile, we ride a lot of the same places. That one really shows how well a Roxxzilla sticky does on our wet muddy east coast rocks. The only thing close is maybe a 370.
I just put a set of 35's on the KRX last week. I had cut sidewall I didn't trust anymore and a tire shop along the trail had a smoking deal on the Roxxzilla's. They are pretty amazing but I dont think I would recommend them for an only tire. I'm going to keep running the ITP Versacross anywhere the sticky wont help.
There is a set of the 808's that Budro runs going on the Rmax next week to see how they do. If figured if he likes them they are worth a try. We are hoping the very flat tread along with going to 4+4 wheels with help with stability.