From Bloomberg:
Apple Computer Inc. Chief Executive Steve Jobs introduced the least-expensive Macintosh computer in the machine’s 21-year history to expand sales of the line.

The Mac Mini will start at $499, Jobs said at the Macworld Expo today in San Francisco. A version with a larger hard drive will sell for $599, he said. Jobs also said Apple sold 4.5 million of its iPod music players in the holiday quarter, bringing the 2004 total to 8 million….

The Merc’s Dawn Chmielewski is at MacWorld and will have a full report at MercuryNews.com. Gizmodo has one of the first pics. And minute-by-minute blogging of Jobs’ keynote from Engadget.