you got it partly right. Mesa amps are good at being really loud, and they have a unique take on modern distortion. They are a jack of all trades amp. Like egnater's, they do many things very well, but nothing amazing... except loud distortion, which many people are after.
Vox AC30 with celestion blues (a vintage one, or one of the boutique ones being made today) is about as well rounded an amp as you can find. There's a reason they're so fucking expensive. they sound amazing.
Personally (although I'm currently working on a JTM45 Plexi build... check out the kit at marshamps.com) I love me a fender clean with a great dirt box.
My twin reverb (one alnico speaker JBL, one ceramic Celestion Greenback) has the best cleans on the planet, and a tight bottom end. If you ever want to go to the best amp tech in the world (or one of them) or order a custom amp from val king at kingamplification.com . He did my twin. Its amazing. For dirt I run a (depending on my mood) monte allums modded boss blues driver, keeley metal zone, or full tone OCD.
not that anyone cares about my shit... but hey, i can talk gear all day long.
well broski, i'm slowly working on my collection. won't be touring internationally ever, but i like to fuck around in the basement in between hitting poses.
anyways,
since i have to slowly ween the old lady onto the gear, here's the master plan:
amp wise, get all the 5 watt amps. so, i have a champ 600 now (yes i know, tone monster

) but it's still a fender clean. next up, i'll get the marshall class 5, then the ac4.
then of course, i'll get a princeton reverb, ac 15, etc.
eventually, the goal is a blackface showman, jtm45, and ac30

. you can still find hand wired ac30's for around 1200.
but you know, i'm just a jerkoff hobbyist, so i'm in no hurry to get any of it. i just like to look at it , then when i see a music video on palladia or something, i can yell "oh i have one of those".