Denny Lee and I presented on Wednesday at the SQL PASS Community Summit 2008 on Building SSRS 2008 Large Scale Solutions.
The slide deck is available for conference attendees at from the conference site. However, the format is PDF and during the transformation from PowerPoint to PDF many of the links were lost.
I have compiled all the links from the presentation deck below for everyone's reference:
Tune Http.Sys:Windows 2003
Tune Http.Sys: Windows 2008
Take care and good luck,