The hololens hardware is worth the price however there is no software on the market yet written for it as far as having a rich experience.
Wait it about two years and I think there will be a few great hardware choices paired with good software
the Use cases of field service and remote collaboration will likely be affected very positively with a quick return on investment
at 2018 rollout, Kadego had a booth with an oculas showing the inside of Micheal Lord's Trakka Van
looked pretty good and you could even open doors inside the enivorment