ORB, which is a media center type program to stream music, movies, ... from your PC was released on the ps3. What makes it different is that you do not need to install anything, just fire up a browser from the ps3 and direct it to a link from your pc and your good to go.
Orb 2.0 Download: http://www.orb.com/en/download_orb
How Orb Works with the Sony PS3:
1. Download Orb onto your on always-on Windows PC at home. It takes less than 3 minutes to do.
2. Turn on your TV and open the Web browser on your PS3.
3. Using your controller, log onto your Orb account through PS3 at mycast.orb.com. That's it. Now enjoy, watch and listen to any digital content on your home PC - videos, music, Internet TV and radio or any other online content you programmed in your Orb MyCast application: they are now all airing on your TV screen.
How Orb Works:
Orb MyCasting makes it possible for people to organize, enjoy and share their videos, music, photos, TV, documents and other digital media when (time) and where (place) they want it, using the devices - be it a mobile phone, PDA or laptop - that they already own. The free software is downloaded onto an always-on home PC; there is no Orb player software download required or other add-ons to install on the device used. Once the Orb MyCasting application is installed, the user can use most any Internet-connected device with a streaming media player to stream their media content whenever and wherever they choose.