Wow you have a lot of questions. Seriously. And a lot of money.
Let me break it down for you. Unless you are really set on the flatline, don't get it. It's a complete waste of money. You will hate it.
-The balls will shoot farther, but they won't break.
-It's also heavy
-Looks like crap
-It's a pain too install
-It's the loudest thing you have ever heard
Save your self the money and buy a J&J S2 or a CP Classic for $35
Next, I don't exactly know why you bought nitro, but as long as you did and feel like spending money, you should get a Palmer stab (regulator) to make you gun more consistent (this wouldn't be a mandatory upgrade since the nitro bottle is already regulated).
Next, buy a hopper (if you don't already have one). Get a cyclone or a revvy.
And last, PLEASE JUST SEARCH
. Every single question you will ever ask has been answered either here, pbreview
, or the nation
. Most questions have been stickied, so just look around.