For those with smaller wakeboard boat budgets, Tige has the R Series. They took the RZ2 down a few notches for a nice entry level package:
R22 Price: $65,814 USD
*Includes Diamond Tower with Swivel Board Racks, R-Premium Sound System, TAPS 3 Surf System, Surf+Wake XL Ballast, and a Boat Cover http://www.tige.com/boats/r22