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We're pleased to announce that the Private Beta program is expanding and will make its debut on PlayStation 4 systems on May 20. If you've registered for the PS Now Private Beta, keep an eye on your mailbox for a voucher code.
We are also happy to announce that access to the PS3 Private Beta program will expand to a broader audience in the near future. If you aren't a member of our Private Beta community yet, click here to register your interest. Please be patient if you've already registered but haven't received an invitation yet. We are inviting more Private Beta testers on a regular basis.
http://blog.us.playstation.com/2014/05/19/playstation-now-ps4-private-beta-starts-tomorrow/