I own a laney 30 watts all tube amp, and damn, that one turned up on ten can shred a pub to piece, with a really warm tone, and become really gentle when I turn the volume of the guitar down... Of course, I play mainly blues, so I need that kind of sound... If I need more power, I just mike it with a sm57... I've played once a marshall stack, and I had to turn it so loud to get the tone I wanted that I couldn't stand in front of it....