I'm also interested in purchasing a Pico Z to allow me to get serious about brewing. At the moment, I live in an apartment and having a full 5 gallon setup is impossible. I love the idea of 2.5 gallon batches but with the ability to increase volume in the future. I have thought about the Pico C and the Pico Pro but I don't like how limited you are with volume. Plus, you have to use Pico packs which limits experimentation.
I'm curious if anyone has actually seen a prototype and has any first-hand thoughts?
If you are interested in purchasing one as well, feel free to use my code (KZ6MX) http://z.picobrew.com?kid=KZ6MX
to save $50. Full disclosure, it also helps me save some money too.