In response to the OP I generally roll up to the rehearsal room with my plank, pedaltrain and two leads. The kit in the hired room is generally as good if not better than my own kit (lovely Trace Elliot yesterday , normally use an Ashdown there) . I don't see much point in messing with my own set up to fine tune settings thet will probably sound completely different in another room anyway. The guitarist takes several guitars, a mahoosive pedalboard, several suitcases full of essentials and an unfeasibly loud amp. I think he does it for the attention.