I've been a Marshall user all my life, and I'm thinking of getting a more diverse amp. I'm thinking Mesa Boogie might be the way to go. I also want a bit of a change as far as tone goes. Problem is I don't know who sells Mesas. I haven't found them online at the usual haunts, AMS, Same day music, musicians friend. Maybe someone can give me a big help there. Also how would you compare the tone of a Mesa to a Marshall? Anyone have some side by side recordings? I need an amp that has a minimum of 3 channels (for clean, crunch, and lead) and an amp that's tubed. Any recommendations?