It all depends on what your needs are.
Beam balances, and single stage presses work just fine for low volume, accurate loading (or high volume, if you're a glutton for punishment and are retired).
I load 400-500 rounds for myself and my sons for each range trip... a time consuming task no matter how it's done- and certainly not something I'd want to attempt with a beam balance.
It would go from being a hobby, to an unpleasant, 3 day long chore.
I'm willing to accept a couple of tenths variation in a charge for that trade-off.