Well, the HoloLens has been officially launched today and supposedly is shipping to developers and "enterprise partners"
I have just visited the Destination Mars HoloLens demonstration an hour ago. It was pretty cool! Though unlike last year's demonstration, this one was more like a virtual reality demo, rather than augmented reality demo. I could hardly see any people around me: they were mostly blocked out from my view.
I did get to walk on the surface of Mars guided by Buzz Aldrin himself! I could walk and look in any direction, I could see the surface under my feet, or stars above my head. The field of view is still limited, just like last year, but surprisingly it didn't bother me as much as last year, perhaps because there wasn't much to look at with my peripheral vision: all action was within the virtual frame.
The precision of imaging was truly amazing! No matter how quickly I moved my head, the image was solidly bound to the surroundings. No lag at all! The sound coming from the headset was also surround. I did a 360 turn and sound image stayed with my virtual guide.
The HoloLens headset itself looked slightly different from the last year's model. Felt lighter and seemed easier to setup.
This was a group demonstration: a group of 8 people. There is also another one-on-one HoloLens demonstration. If I have time, I will try attending that one too.