Ars Technica

Using PS3 as HTPC

- Play video files (.avi with various codecs, .mpg, mkv, etc. but nothing too exotic), up to 1080P... copied via USB stick and potentially LAN or wifi. - Streaming ...
Ars Technica

Is anyone using their PS3 as a media center extender?

I use my PS3 to listen to music, view photos and watch videos stored on my computer. is that what you mean, or are you referring to some sort of specific Windows Media center thing?
GIGAZINE

To the appearance of the "PSP Remaster" series whose masterpiece PSP software will become HD picture quality with PS 3, the first one is "Monster Hunter Portable 3rd HD Ver."

Sony will be able to play masterpiece PSP software with HD quality using PS3 "PSP RemasterWe announced to release the series. It seems to be part of measures to strengthen the coordination function ...