Another small place to play is Lash's paintball in Fort Johnson, NY, out near gloversville.
As far as a pro shop, hummm?
I think lash's may have a small pro shop.
Cooper's cave might be able to help at the store up in Glens falls.
But, if you go to CCZ in troy, get to talking with the regulars around there and they might be able to personally help you out.
What you looking to have done?
If you are looking for a place to buy product, check out Tri-city extreme. They are normally at CCZ every weekend, plus they have a website and Mike the owner is an awesome guy.
If you need tech work, go to CCZ and if it's a mechanical, search out "Peaches". Plus, there should be someone there that might be able to help with an electro-marker, too.
If you are looking to get into some regular games and maybe a team, we might be able to help you out with that too.