Thought I'd add my 2 cents to this old thread since I recently purchased a used DM6 from Astromart. I can track fairly easily at low to mid powers and there is no tendency to lose the object (the mount doesn't run away from you at all). The altitude axis is very easy to control while the azimuth is a little less so - just a touch jerky for minute adjustments, though I may not have the tension set perfectly yet. I may couterbalance the azimuth axis, particularly if I end up putting a C11 on it, which should make it perfect. I easily tracked a couple of satellites across the sky in a low power eyepiece - I use a laser pointer as a finder so it's easy to point the scope ahead of the satellite and catch it in the eyepiece. If you don't have the cash for these expensive mounts don't worry - a dob does a similar job for a lot less money - just depends on your preferences.
It'll be interesting to see how the DM6 compares to the new T-Rex mount when it's available.
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