Share Point Tutorial

http://searchwindevelopment.techtarget.com/generic/0,295582,sid8_gci1274280,00.html
http://www.cmswire.com/cms/cms-reviews/sharepoint-2007-review-six-pillars-of-moss-000922.php

Speed Up site/Code Optimization

http://msdn.microsoft.com/en-us/magazine/cc163901.aspx
http://dotnetslackers.com/articles/aspnet/ImproveWebApplicationPerformance.aspx