On one hand: Glass is pretty cool hardware, and an improved version of it (relative to the Explorer Edition) would have a ton of potential. On the other hand: Google screwed Glass' early adopters, myself included, and in more than a year since they withdrew from the market, they've done nothing whatsoever to set things right.
(A summary I wrote last year of what happened: https://news.ycombinator.com/item?id=8609412)