460->m248->mod. SBM-1 is a fantastic rig and you will pull some good tapes. if you want to run m248->mini me you'll need to bring small screwdrivers to adjust the trim pots, this can be a pain in the ass at a show. i suggest calibrating them using the directions found on sonic sense. i personally run my 248 about half gain( knobs at 12:00) and the rest of the gain comes from the mini me. this should also sound really good. i'm sorry i can't help with the 722, but i know nothing about the unit. another thing is to get those 460s modded by J.W. which comes highly reccommended. i hope this helps. MW