I think the best course of action is to buy a turntable on the basis of the quality of sound it produces versus its cost to purchase, and to forget belt versus direct versus idler.
If you want to buy a sports car do you buy on the basis of the engine configuration (V8 versus turbo versus supercharged, versus rotary) or do you take the cars for a drive ?
If you want to buy a sports car do you buy on the basis of the engine configuration (V8 versus turbo versus supercharged, versus rotary) or do you take the cars for a drive ?