Performance Rockstar Rico Mariani is on Channel 9
Developer Division's Sr. Architect / Performance Rockstar Rico Mariani is featured on Channel 9’s Behind the Code (if you haven't watched this fun series be sure to check it out). Rico's been at Microsoft for 18 years and has been a prolific writer in the performance space, as well as an all around great guy.
Rico's Performance Articles and Recommendations (it's a Wiki)
Rico's Class Comments (it's a Wiki)