um...er...like...how do the F-50 and F-30 compare to the Lone Star, and the Lone Star Special?
They don't, simply. The F-30 (the one I'm most familiar with) has a very dark-yet-sparkly clean channel. I know a lopt of amps get the "fender cleans" tag, but this is actually the read deal - it sounds like a fender with a bit more.... Idunno. Think SRV does Little Wing, like the amp is chill and being nice and all, but also sounds like it could rip your head off if you wanted it to. The lead channel, meanwhile, is pure metal. Huge amounts of gain on tap - I never needed to go over 5 with my UV, and lots of crunch but also lots of warmth. It doesn't have the versatility of a Rectifier, Nomad, or even Mark, but if you just wantyed a creat heavy crunch that also worked well for leads married with a godly clean, then this amp would be a perfect match.
The Lone Stars, meanwhile... It's one of my favorite Mesas I've ever played, but also one I'd never buy as my "main" rig. I guess the only way I can really describe it is that it's Mesa's take, evidently, on the Dumble sound. The clean channel is the only time in my entire playing career that I played a multi channel amp, plugged into it, fired it up on the clean channel, and didn't even notice that I hadn't checked out the distortion sounds for a full half hour. It's this crazy dark, "chewy" sort of clean that just begs for clean single-note playing. I've never played a Dumble, but I've been told this is about as close as you or I are likely toget for less than $20k. It's an amazing clean, and this and a singlecoil-equipped Strat or Tele would be the only thing I'd ever need if I was playing blues or blues rock.
The leads are very Mark-I - it does the soaring, smooth Mesa thing to a T, with a little bit more of a Texas vibe. It's just a great, great, great medium gain lead sound (the amp never gets THAT saturated, even with the gain cranked," but it'd never "crunch" enough to do heavy rhythm sounds.
It's a seriously cool amp, and one day if I can afford it I'm totally going to grab a Lone Star Special as a recording/gigging rig for bluesier stuff. If you ever get the chance to play one, do so, but my experience has been the amp (due to it's natural dark compression) really likes singlecoils. I spent a bit of time playing one with my UV a few weeks ago when I ended uip taking home a Recto-verb, and I had fun on the humbuckers, but really Ispent most of the time on my middle singlecoil with my Tremol-no locked up, playing blues.