You can get your very own DRB III here,

http://www.toolsource.com/scan-tool-...e-p-98745.html
for $8500.00

or here,
http://shop.ebay.com/items/drb%203?_...p=1900578023_1
for $4000.00 + $379 for the Crossfire multiplexer.

A little steep for most of us..

MikeR