I’ve had and still have a few, tbh the dremel is the best, and is best supported with stuff (literally everyone else makes things that fit dremels but not all dremel stuff fits other tools). Also the ecomomics tend to work out well with buying a tool + bits from dremel, if you get the speedclick and such included as they’re silly expensive otherwise.
The one i use most is a cheap draper 12v cordless, cos it’s cheap and cordless. My second one, the first one went on fire a little bit. The cheaper ones can be an amazing buy, sometimes you get a whole big set for barely the price of the bits and discs and such, but equally, the cheap discs especially tend to be really pretty crap.