Has anyone played the Mesa 1000 series, 1x15 and 4x10... Or an SWR Triad (1x15, 1x10)? Can you compare them to a biamp setup with a 1x15 and some 10"s? I've heard that the Triads get their 15"s blown sometimes. And as a bonus... Has anyone played through an Accugroove Whappo Grande? 21" driver!?