From Cuiv Grade S ( superb), best of the best, don't care the price tag Vixen SXD2 Ioptron CEM70, (discontinued CEM60) Grade A ( best) SkyWatcher EQ6-R Pro Grade B ( very good, needs some tweaking and love) Ioptron CEM26 (discontinued CEM25) Vixen AP-WM SW Adventurer GTI (?) SW Az Eq5 GT Grade D (entry level) MEADE LT6 Ioptron Smart Eq pro Grade E ( worst) Hobym Crux Traveller 140 Harmonic mount From darkframe optics EQ32 (for 5KG payload, 2.8 arcsec pix) AVX HEQ5,EQ6R, CEM70, CEM120 From Wido , blog beginners: Criteria: EQ mount, Goto, guide point, ASCOM, 10-15kg payload EQM-35, AVX, EXOS2-GT, IOptron GEM28, CEM26, HEQ5 Pro, Orion Sirius EQ-G Reference: EQM35 Pro firmware update v3.15