This may not help but I'll offer it. Many years ago (late 1970s) I had to downsize my system and a trusted local dealer recommended the Rotel RP-3000 table and arm, a somewhat similar DD unit. The arm appeared to be a copy of the SME and overall it was a good performer for the money.
Like any other component, when asking about anything used it will depend on age and condition and if any maintenance or updates have been performed?
Like any other component, when asking about anything used it will depend on age and condition and if any maintenance or updates have been performed?