I recently bought a Sony BDP-CX960 not thinking it would be essential I have it connected to internet but turns out, it kinda works like itunes when you put a CD in your computer and it syncs to the itunes database and downloads info/coverart. The owner's manual for this unit is crap. It mentions once or twice the Gracenote database but never explains what it is (and its omitted from the glossary). With no internet you need to type all that info for each DVD.
Thanks for turning me onto the BD-Live, naturally, there was no mention of it in the owners manual but I'll update the firmware in the unit tonight and get going on the BD-Live.