Solid version of Unity for new VR HTC Vive project

Hello all,
Can anyone recommend what version of Unity to use and stay with for the duration of a VR project?
(in this case now until April 2019)
I just need solid working Unity version for VR/ Steam 2.0 plugin,
HTC Vive will be my headset.
I have not purchased anything yet , going through a proof of concept phase.
If it helps with feedback from this very helpful forum, I'm designing as simple as possible.
(project will eventually be used in a trade show booth VR pod)
User will be standing in middle of a room (lets say Living Room as starter)
Gaze interaction to look at a window, then be teleported there then our products would be showcased.
I may include controllers but we want this very easy for user to get up to speed, each attendee at booth will have a very limited time to go through the experience, I'm thinking max 2 minutes. This is to keep traffic moving.
thanks in advance

Ken

 

I would stick to a LTS (long term support) version. either work with 2017 LTS, or 2018.3 then 2018 LTS when it is out, ignoring upcoming 2019.