Checkout this blog post for information on how to collect timing details about every page, test and transaction in your load test as well as generate 90th and 95th percentile data for the pages, tests and transactions: http://blogs.msdn.com/slumley/pages...

Check out this post for links to more information about new features in Orcas: New Features

Ed Glas has put together a great index of resources for web/load testing. Check it out, there is a lot of good information in there: Web/Load Resources

The sample reports I put together have moved to http://www.codeplex.com/loadtestreports/ . We also started a codeplex project which will provide additional extraction/validation rules: http://www.codeplex.com/TeamTestPlugins .