Sorry if this is a repost, but I just updated TVersity for my X360 to accommodate for the Spring update and noticed that they were claiming Wii and PS3 support now via Flash in the browser. I don't have a PS3, but I did test the Wii and it seemed to work fine for audio, video, and pics. Here's a link:
http://tversity.com/home/
I'm not a developer on this project or anything...just thought someone here might find it useful.