FWIW, I've been using my Forester trimmer since the early 70's, still don't see a need to replace it with anything I've seen available lately. One of the many features I like about the Forester, is its ability to also do outside neck turning, neck reaming, hollow-pointing, and of course accurate, repeatable trimming.
Mine during a outside neck turning session:
Any new name-brand trimmer will serve you well, just check out the various features they offer before deciding. Research well, buy once.