Re: lynyrd skynyrd amps....
I owned a Peavey Rock Master head in the late 1980s and that was a killer amp!!! The Rock Master (120 watts) and the Road Master (160 watts) were succeeded by the Butcher, and then the VTM 60 and VTM 120. The Rock Master was a hybrid, with the SS front-end and tube power. This amp could play punishingly LOUD, and was rock-solid reliable--I think I put one set of tubes in it over four years of hard gigs.
These old Peaveys are great amps in my book, perfect if you want something to run a lot of effects through. They have a different sound than a Marshall or Fender, though, and that can take some getting used to. They have a really thick mid-range tonality, with less top-end than either a Fender or Marshall. The lows are a bit attenuated, compared to a Fender, but they still sound like 6L6s. They are great for fattening up a Strat, yet many players will miss that "airy" top end of a Fender, or the "slice-and-dice" upper-mids of the Marshall. Mine had a ballsy, in-your-chest tone that was perfect for the music I was doing at the time.
I sold the Peavey to get a "dream" Marshall, and that was a huge mistake--the Marshall gave me nothing but trouble. For about the last 10 years I have been using Mesa combo amps, which are better suited for the gigs I do now. Were that to change, I would not have any qualms about running some Peavey VTMs or their predecessors.
Based on my experience--and from what I've seen and read, I have no doubt that Skynyrd used their Mace heads with great success and confidence.
Bill