Agree! I recently added a motor controller by way of a PS Audio P300 unit which has the Multiwave II oscillator board. I am able to precisely control the motor speed in 1/8th Hz steps. Indeed, like you, I can see the stroboscope lines lock i.e. stop inching forward or backward when the speed is correct.
Another thing is that leveling the TT is an absolute must. I re-levelled my TT yesterday after what seemed a long time & boy, did I reap a reward.
Another thing is that leveling the TT is an absolute must. I re-levelled my TT yesterday after what seemed a long time & boy, did I reap a reward.