I’ve been using an FM3 through a Fryette Power Station 100 into a 4x12 and it’s pretty awesome. I’ve only used it for rehearsals so far but it sounds better (subjectively) than my main tube amp. This to me is a good option for folks who want to go the modeling option live but aren’t down with running it through the PA.
Definitely. I was talking more about going direct to FOH with a modeler. Using one as a preamp into a tube power amplifier works well in my experience as long as you disable the internal cabinet modeling.