Arpan Shah is announcing SharePoint Best Practices Resource Center on TechNet:

Over the last few months, the SharePoint product team has released a number of resources, updates and made supportability announcements to help our customers and partners deploy SharePoint solutions. Recently, we released the Infrastructure Update that provides fixes and even a new set of Search Federation features. We also announced support for Virtualization technology like Hyper-V and SQL Server 2008. And most recently, we announced the availability of the SharePoint Administration Toolkit 2.0 which provides functionality to help IT Professionals run highly available and geographically dispersed SharePoint deployments. (...)

http://blogs.msdn.com/sharepoint/archive/2008/08/29/announcing-the-sharepoint-best-practices-series.aspx