Sony is rebooting the Playstation Network and you should be able to play Playstation 3 and PSP games online very soon.

Here's everything else that will be restored in this first phase to Playstation Network and Qriocity users:

-Sign-in for PlayStation®Network and Qriocity services, including the resetting of passwords

- Restoration of online game-play across PS3 and PSP

- Playback rental video content, if within rental period, of PlayStation Network Video Delivery Service on PS3, PSP and MediaGo

- Music Unlimited powered by Qriocity, for current subscribers, on PS3 and PC

- Access to 3rd party services such as Netflix, Hulu, Vudu and MLB.tv

- 'Friends' category on PS3, including Friends List, Chat Functionality, Trophy Comparison, etc

- PlayStation Home

http://blog.us.playstation.com/2011/05/14/play-on-%E2%80%93-psn-restoration-begins-now/