Since the mid 90s I have used Lyman beam scales and found them very good, they settle quickly, and you can see the difference each granule of powder makes.
A year or so ago I bought a set of the Hornady electronic ones. I gave up using them after some charges were about 4 grains off (may have been caused by taking weight off when screen said PASS during calibration, instead of waiting a bit longer).
Recently I have been using them a bit, constantly checking readings and zero and they have generally been behaving. I think it pays to use them as if you don't trust them - check each charge weight and tare weight at least twice, and redo anything that doesn't give repeatable readings.
And visually check each case looks to be filled to the same level, which you should be doing anyway before seating projectiles, no matter what scales you use.
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