Major Nelson have posted Microsoft Keynote at CES 2008. This is Bill Gates last keynote as Microsofts chairman. You can get the blogcast from MajorNelson.com. You can see the keynote on Microsoft.com/CES.
On10.net have an interview with Bill Gates.
Funny video with Bill Gates on his last day on Microsoft. The video is from his keynotespeech, but here taken from Gamestrailers.com.