Super hard to find somewhat pertinent reviews...
Most tool websites make the film reviews of « who must not be named » seem quite professional.
(, Fri 8 Jun 2018, 19:59, Reply)
If you can swing the outrageous cost, anything by Festool seems to be just about bulletproof.
(, Fri 8 Jun 2018, 21:58, Reply)
Now they have plain bearings... So, no.
(, Fri 8 Jun 2018, 22:36, Reply)