I am running tubeless on the AT, but it is so freaking heavy compared to the Husky that I couldn't drop the pressure down. Perhaps on the rear I will try when we are up there, but I would never drop the front very much. It crunched a couple of time that I know would have pinch flatted if it wasn't tubeless.
The TCK80 front lasts forever, but the rear was really worn and chewed up. I think it was only two hard days before it was shot, but it still held up another day for some easier stuff.
This time I have the Mitas E07 front and rear, curious to see how they do up there. Think I will try 28 in the front, 24 in the rear...
Hmmm, I ride a 1090R and a 1290 SA-T and have aired down the tires without any issues. When I had my 950SE (tube type) I aired down to 14psi with out any rim pinch issues.