What are some cheap but very helpful upgrades for a NXT 07 Shocker paintball marker?

Question

I've been looking for some upgrades like barrels, feed-necks, boards and other things such as hoppers. What I have so far is a Halo B Electronic hopper, Freak barrel kit (tooooo expensive), and advanced rampage shocker board... any suggestions or replacements to get the best performance but for less?

Answer 1

A Palmers Brass Barrel:

It has a unique bore that will fit and accurately shoot differently sized paintballs.

http://www.palmer-pursuit.com/cart/index...

(longer than 16" not needed, porting not needed, .690 bore)