Performance Engineering

A good link that contains all the msdn material regarding web performance and load test using VS 2010 ultimate.

http://blogs.msdn.com/b/howie_hillikers_blog/archive/2010/05/26/what-s-new-in-the-visual-studio-2010-web-performance-and-load-test-documentaion-part-one.aspx

Zippity > Using the Crowd to Collect Performance Data

http://starkravingfinkle.org/blog/2011/02/zippity-using-the-crowd-to-collect-performance-data/