I finally got the invite and ordered one, too. The May-July delivery window is better for my wallet anyway. Hopefully by then it will be updated and expanded further. I'm still on the fence about it but $100 off the price was just too hard to pass up.
I have to laugh at myself. For someone who had managed to basically stay out of the Amazon device ecosystem for years, in the space of a few months I now have a Paperwhite 2, a Fire HDX 7, a Fire Stick, and soon an Echo. I apparently drank the Kool-Aid…