I have a Dob Driver II from Tech 2000 for sale. It has the PC link and Autoguider link options. It is the rim drive model. Its new in the original shippng box. Also included is a 120vac to 12vdc power supply with 25 foot cord. I'm asking $550.00 shipped in conus. I prefer Paypal. but will except M.O. or cashiers check. Thanx's for looking. Dennis.