As SharePoint 2010 is moving closer to launch date, lot of new information related to deployment is being published.
Following white papers and case studies have been published recently on the Microsoft Download Center to provide guidance on performance and capacity planning for SharePoint 2010. That's 300+ pages of information to digest!! Nice way to spend next few weeks :-)
1) SharePoint Server 2010 performance and capacity test results and recommendations - describe the performance and capacity impact of specific feature sets included in Microsoft SharePoint Server 2010:
2) Capacity management and sizing for SharePoint Server 2010 - helps you determine the appropriate capacity for your Microsoft SharePoint Server 2010 environment. This white paper provides you with the information that helps you:
3) SharePoint Server 2010 capacity management: software boundaries and limits - provides information to help you understand the tested performance and capacity limits of SharePoint Server 2010, and offers guidelines for how limits relate to acceptable performance. Use this info to determine whether your planned deployment falls within acceptable performance and capacity limits, and to properly configure limits in your environment.
4) SharePoint Server 2010 performance and capacity technical case studies - Technical case studies that describe specific deployments of Microsoft SharePoint Server 2010. Compare the scenarios in these documents to your planned workload and usage characteristics. If your planned design is similar, you can use the documented deployment as a starting point for your own installation.