They've kept the same colors green, red, blue and gold for the Z2000's and their particular balanced or end loaded assocation. From the initial graphics seen of the Z3000 it looks like they will continue along the same lines with the 4 colors but changing the background design to white.
Z2000 (OG / Reissue):
Reissue: Silver Camo
OG: Black/Dark Gray Camo
Green: USSSA End Load
Red: USSSA Balanced
Gold: ASA End Load
Blue: ASA Balanced
Z2000+:
White Camo
Green: USSSA End Load
Pink: USSSA Balanced