Yup...I'll never get rid of my egnater rebel combo and it's killer tube tone.
But...
You should check out some of the blind listening tests done by intheblues on YouTube. The Mustang has consistently beat out amps costing much more...all tube.
It's just like with the Kemp. Even the players who didn't want to believe it could match or beat their boutiques and swore they'd be able to hear the difference...couldn't. :-)