Worksheet events
http://www.cpearson.com/excel/events.htm
Working with colors
http://www.cpearson.com/excel/colors.htm
Subroutines and Functions
http://www.cpearson.com/excel/differen.htm
Stuff
http://www.cpearson.com/excel/excelM.htm#Properties
Another view of color changes...
http://www.mvps.org/dmcritchie/excel/event.htm#dclick
INteresting routine with odd stuff
http://www.vbaexpress.com/kb/getarticle.php?kb_id=379
References
https://wiki.brown.edu/confluence/pages/viewpage.action?pageId=4429
http://support.microsoft.com/kb/829070/en-us
http://www.microsoft.com/Office/previous/xp/tips/excel.asp
http://support.microsoft.com/search/default.aspx?catalog=LCID%3D1033&1033comm=1&query=macro+selection+formatting&pwt=false&title=false&kt=ALL&mdt=0&res=20&ast=1&ast=3&ast=4&ast=8&ast=9&mode=a&adv=1&spid=1743
http://support.microsoft.com/kb/142530
http://www.its.rdg.ac.uk/documents/training/excel/home.htm
http://www.its.rdg.ac.uk/documents/training/excel/macros/home.htm
http://www.thescripts.com/forum/thread513037.html
Why Not?
http://www.angelfire.com/biz7/julian_s/julian/julians_macros.htm
http://www.ozgrid.com/VBA/ExcelWorkbookEvents.htm
http://www.contextures.com/tiptech.html
http://www.contextures.com/xlUserForm01.html#Create