Again, unavailable to most people on the world. Google’s tendency to wrap their most interesting products in a thick wad of unobtanium is starting to grate.
As much as I like thin clients and web-based services, this just doesn’t make sense unless it’s actually available beyond the Anglosphere.
In comparison, I can get a vastly more flexible MacBook Air today, anywhere in the world – and it will run the same apps, and more besides.
Or I can keep waiting until they come to their senses and get Android running on these.