The Blu-ray 2.0 spec (or BD-Live) is just days from launch. Sony just announced that the next PlayStation3 firmware updated -- v2.20 -- will add the new interactive features to your PS3.
-- "Resume play" will enable PS3 system to start playing a Blu-ray disc
and DVD at the point it was stopped, even if the disc had been
removed.(*1)
-- "Audio Output Device" will be a new Remote Play setting, enabling PSP
to serve as a remote control for music played through PS3.
-- PS3 system's Internet browser will be enhanced: Video files directly
linked from a Web page will be able to be streamed, and the browser's
view speed will be improved.
-- DivX and WMV format videos that are larger than 2GB will be playable.
-- "Mosquito Noise Reduction" will be added as an AV setting in the
control panel of the DVD/BD player for improved movie playback.(*2)
*1 BD-J format disc is not supported.
*2 BD discs recorded with BDMV format are not supported.
Article:
http://www.engadget.com/2008/03/20/ps3-firmware-2-20-bringing-bd-live-interactive-blu-ray-this-mont/