I like the SME Arms, and have never had any issues with setup - the 312S which is my preferred arm have some azimuth adjustment because of the removable head shell. I do agree that VTA adjustment is "clunky" however its not a setting I change once its setup, lets face it SRA is not changing more than a few 1/1000 of a degree with the varying thickness of LP records. If you follow the correct instructions on how to mount the arm properly especially in regards to the offset angle, so that the rails of the SME mounting base is at the correct angle in relation to the spindle, any cartridge can be dialed in perfectly.
I find that they are extremely well and solidly built, and once set up all settings can be securely locked in place.
Good Listening and Happy Holidays
Peter