I've spoken to Jon Bon and got his permission to post this, basically what Matt put about Jon getting loads of shots from his mini is correct. It was something stupid like 7 pots and a hopper from a 2000 psi fill (I think it was a 1.1)
Basically Jon is working on some mods for the Storm guns and has been doing some testing at training. When the testing is complete he has said that he will put a post up with information regarding these mods.
thanks Dan,