While doing my System.DateTime and System.TimeZone investigation, I come across some old discussions of Date Time and Time Zone. With the US timezone changes coming soon, knowing about the "known" issues with Date Time will be important.

DateTime FAQ Entries
http://blogs.msdn.com/bclteam/archive/2004/05/21/136918.aspx

Why not add a DateTime Date Type in Whidbey?http://blogs.msdn.com/bclteam/archive/2004/06/01/145487.aspx