IIRC, the CEO of Sony was there to talk about how their new camera works with iLife. I agree with the article that it was odd to have Sony's CEO there just to talk about a camera linking up with software, but if there really was something bigger coming down the pipe, why not save the CEO appearance until they were ready to announce it?
When we get a Mac mini II with nvidia's DVD decoder and an M-Audio sound card, then I'll start thinking of the Mac mini as a true HTPC. Right now, it's just a foot in the door.
The funny thing was that he didn't want to leave the stage - he just kept going on and on. I thought Steve Jobs was about to get the hook.