This just in; PlayStation Now: PS4 Private Beta Starts Tomorrow. Here is what they had to say regarding the program:
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.
PS Now gives you the freedom to play select PS3 games like you already stream movies, TV, shows, and music – directly to your favorite PS Now compatible devices without any discs or downloads. The first supported devices launching in 2014 are PS4, PS3, select 2014 Bravia TVs, and PlayStation Vita, with more devices down the road.
Keep those eyes peeled everyone and get ready for PlayStation Now on your PS4.