Looks like we are starting to ramp up on the documentation! In my feed of the Microsoft Download Center, I noticed that we just posted results of internal testing on SharePoint 2010 performance. This should be very helpful for those who are looking for some reference test results as to how SharePoint 2010 works in different configurations and with different services enabled.
These white papers describe the performance and capacity impact of specific feature sets included in SharePoint Server 2010. These white papers include information about the performance and capacity characteristics of the feature and how it was tested by Microsoft, including:
Download the white papers here
White Papers include:
And now for a random graph from one of the reports