Never been a fan of Mesa Boogie, I've had a couple Dual Rec's and had nothing but problems with them, not to mention I'm pretty old school and don't care for 6L6 tubes (unless they're in a Fender.) I love EL 34's, much warmer to my ears. in fact I shipped off my Bogner 20th Anniversary Shiva and had them pull the KT 88's (to Hi-Fi sounding.) and convert it to EL 34's, sound is like night and day.
With that being said, I had the opportunity to play a Mesa TC 100, wow, they nailed that one! 3 channel, EL 34 based and individual power attenuators on each channel! Very cool amp, thinking I'll be putting one in that stable soon, check it out.