Oh, and here are my favo(u)rite date links (so to speak)...

http://www.sql-server-performance.com/articles/dev/datetime_datatype_p1.aspx

http://sqlserver2000.databases.aspfaq.com/why-should-i-consider-using-an-auxiliary-calendar-table.html

http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=64762

I hope someone finds all this stuff useful...