Thanks all
Heres a pic of my system
http://www.users.on.net/~josiah/focuser/IMG_9932.jpg
needs coat of paint lol. The mount is a Astro Optical Supplies "Sampson" mount with shyncronous motor equipped RA drive, dec adjustment is manually done. The off axis guider is good as it allows exposures as long as I like with no fear of flexure based guide errors.
Scott