I have these as do a few other people I know.
are very consistent and accurate. I only paid £20 for mine though mind so I would wait to see if any shooters have a batch. What ever you get make sure they are accurate to 0.001g that way you will get grain readings as 8.44gn etc and you can see it is accurate and repeats correctly with the same pellet. Also gives you the option to weigh in .5 or 1.5gn brackets if you want.