I think I am sold on Pneumatic now, so if a mod finds this post, I can rename it when/if they move it to pneumatic discussion.
On Mr. Crowley's part, thanks a lot.
I am trying to grasp some sort of an interchangeable tank option, for three or so shots, that should be suffice, you think?
For shooting people, thats a no, I would just want to test out my accuracy and have a great time with friends.
This was the valve I had my thoughts on, pretty basic.
I was thinking
http://www.homedepot.com/webapp/wcs/sto ... 457+501170
I think I would go with a blowgun and then a schrader valve for airing up.
I have an awesome design in mind and if I can I will scan it up tomorrow. I find it intriguing and unique, hopefully it hasn't been done yet

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Again, thanks to the community for helping me out with this one.
If peeing your pants was cool, consider me Miles Davis. -Billy Madison