ICD Promaster [I have 2 pics of them up]
Vlocity and Halo with V35
Pepperstickz [I also have a Freak]
Lucky's LP Valve
Great for Regs
Makes markers more consistent
Cheap as heck
None that I have found.
I recommened thi stuff, I used it and fell in love right away. It definatly helped my hor become more consistent from shot to shot, and also I seem to be cyceling a little faster. This stuff is just good, and at $4 for 1oz, you can not go wrong.