I haven’t gotten this far as I am still new to the III... but it sounds like I could certainly see myself using it.Actually, it's a pretty cool thing: you can get low and mid gain amps to have a LOT of sustain on them, and it still seems to preserve the pick attack pretty well. I don't use it all the time, but for some things it rocks.
Did not vote since I haven’t used it yet.
*Update: Tried it on a med gain Brit 800 patch I was working on and loved it! Voting yes now.