Good one! Deals with different data access methods for SharePoint Lists and their performance characteristics against

different user loads and modes of operation.

Excerpt:

The test results in this white paper are intended to demonstrate the difference in the performance characteristics of SharePoint lists containing large numbers of items when different data access types are used to present list contents. Test results in this white paper show how to optimize list performance through limits on the number of items that appear in a list, and by choosing the most appropriate method of retrieving list contents.  More..

 Plan for software boundaries (Office SharePoint Server) related to this post.