I'm usually a public beta person (let my developer account expire when they first started doing public betas).
I have to say, I have had ZERO issues with DB1 on my daily driver so far. Every app I have used works as expected and no battery issues, no restarts...nothing.
I went back to the developer beta just so I could try out the new Maps...boy, I'm glad I did...they're incredible.
Based on this alone, I'm speculating DB2 on Tuesday 6/22 and PB1 on Wednesday 6/23.
Doubtful, but believe what you need to believe to get through the day. In the keynote (June 7) Tim Cook said specifically "each of them [OSes] will have a public beta next month"...
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