VSTO video tutorials

Here are two great videos from microsoft about the VSTO in VS2008.

Taking Office Development to the Next Level

http://www.microsoft.com/resources/msdn/vstudio/media/en/vstudio2008/OFC342.wvx
The second url is from the entire sequence of VS2008 videos :
http://msdn.microsoft.com/en-us/vstudio/bb655906.aspx