There are rumors that Jobs has something in mind for video applications, but nothing has appeared from Apple yet.

Check [link|http://z.iwethey.org/forums/render/board/search/?field_searchUser=46&field_searchSubject=&field_searchContent=&field_searchSignature=&field_searchForum=30&field_boardid=1&submit_ok%3Amethod=Search|SpiceWare]'s earlier posts for some external add-ons that might do what you're interested in.

Cheers,
Scott.