We have a few in-house systems that we used for leasing and loaners for distributors. They all work perfectly fine and there is no sign of wear and tear, practically brand new.
PILOT http://www.desertstar.com/Products_product.aspx?intProductID=1
Retail Price: $5,785
Special ROV World Price: $4,800
Included in this configuration:
STM-1 surface station
TLT-3 transponder
DiveBase PILOT software
This is the most basic package that we have. With proper set-up, it will still yield sub-meter accuracy throughout your survey site.