Add a hearty "me too" to everything Steve said.
This was just posted on Brad Magehee's blog today:
http://technet.microsoft.com/en-us/library/cc917672.aspx
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning