So from my reading, it seems that some guys are getting good performance around 650 or 750, but the majority seem to be a good bit over 800, on up around 1100. Ballparking here of course. I ask because my Ninja tank is maxed at 850. A new high pressure reg is easy enough, but then what about using that tank with OTHER markers? The few people I've talked to all said other guns should officially have no problem regulating higher tank pressure, but unofficially they probably would NOT use it, if for no other reason than blowing Orings. I'm no expert, just looking for what experience you guys have had. For those of you, probably most, with multiple markers, do you guys run 'em all high? ...do you have multiple tanks?