I recently bought a leatt dbx 3.0 with their own version of MIPs.
Unfortunately I got to test the performance/safety out of the helmet in question a few weeks ago when I ended up spending 5 days in hospital after suffering an intracerebral haemorrhage due to a heavy MTB crash/severe head trauma.
Hit a blind drop/crest on grass at around 25-35mph (according to my Garmin fenix 5)
Which also featured some heavy sunk steps that only became visible as I was in the air above them, I landed front wheel first on one of the steps after failing to clear the whole lot! and knocked myself clean out!
The consultant thinks the helmet saved me from potential brain damage and possibly worsem
I wouldnt hesitate to buy another Leatt, will be buying another one in the next few days, as despite saving my head, it is a really comfortable helmet and fits great.
The only downside is the visor, when raining it does run into your eyes a little, but a small issue really