I use B2s for primary gas and M1s for stages/deco. M1s are rated to 80%. Some folks use them for 100%. I use an OMS workhorse for 100%. I've owned many different regs and the only thing that came close to comparison (imo) is an MK25 and a Mares reg (not sure of the model, it was actually an air share on a OOA drill)
