I haven't looked at any of the new XL high gain models, but I did recently purchase a new AD50VT 212 and I can honestly say that I'm pleased with the sound ALOT. I had owned an AD100VT but found it to be too bottom heavy/bassy so I thought I'd try the smaller cab with the 50-watt version. It's alot better in terms of tone and it doesn't seem to have that sound like there is a blanket tossed over the amp.
On the new models, I think the black grille looks awesome, and wish they would have done that with the "chrome series".
Guitars: 2003 and 2004 American series strats, Squier Classic Vibe 50's Strat, Squier Deluxe Strat.
Amps: Line 6 Spider IV 120, Vox AD50VT 212, and Peavey Transtube Bandit 112.
Pedals: Digitech Bad Monkey.