You know - I first saw a pair of muck boots on a raft guide up in Denali. He really liked them quite a bit.
So, when I got back to Juneau I bought a pair, and, aside from looking a little "girly" by Xtra-tuff standards, I actually like them quite a bit too.
I don't wear them in the field, but I have worn them fishing, and quite a bit around the yard.
Today I have to go move snow around in the driveway again, and my attire includes my muck boots, and Helly soft bibs. I never get wet, cold, or sweat with this combo.