I am going to look at a Mesa M Pule 600 Rig tomorrow. It is the 600 watt head and 2 powerhouse cabinets. One cabinet is a 2x10 and the other is a 1x15 cabinet. This would be my first Mesa piece of bass gear. I was wondering how these amps sound and how they hold up? Are they pretty good amps? I mainly play 80s, 90s and modern rock (cover band) and I am looking for a pro level amp that is plenty loud enough to play out. Some shows we only have PA for the singer and I need to be pretty loud as I won't have any PA for myself. Do you guys think this amp will do well for the style of music I play and will it be loud enough for venues without PA (frat parties, private parties, etc.)? It is a fairly expensive rig so I want to make sure they are worth the price tag. Thanks. The other head I was looking at is a Mesa 400+. Do you guys think the 600 sounds as good or better than the 400+.