Hi all, I will be posting this as an article as well, with a link available from the front page. That will make updates and finding this information a bit easier (at least for me J ) in the future. Feel free to send me suggestions for additional links!

Architecture, Installation, and Migration

• Planning and Architecture WhitePaper (Fairly Large Guide, about 1000 Pages in Length)
• Upgrade Toolkit for Windows SharePoint Services Sites and Templates Guide
• Working with a Multi-Lingual Site
• SharePoint Test Data Load Tool
• SharePoint Tech Network Performance Deployment Planning and Considerations – by Joel Oleson
• How to configure a Windows SharePoint Services virtual server to use Kerberos authentication
• Shared Service Providers (SSPs) What Are They... How to's On Delegation – By Joel Oleson
• Regional Settings in MOSS 2007
• Geo-Distributed Deployments – By Arpan Shah
• Topology Models for Various SharePoint Scenarios (note these are poster sized Visio's)

Development

• SharePoint Server 2007 Developer Portal
• SharePoint 2007 SDK Documentation
• How to Create a Minimal Master Page
• Overview of the SharePoint Solution Framework by Chris Johnson
• Creating a Custom Document Library Feature In MOSS 2007 – by Todd Baginski

Content Management and Customization

• How to Create a Minimal Master Page
• Creating TylerButler.com (A 6 part series on customizing the look and feel of a SharePoint site.)
• Content Replication in MOSS 2007 – by Tyler Butler

Search

• Search Evaluation WhitePaper
• Installing the PDF Ifilter in a SharePoint 2007 Farm (including adding the icon)
• iFilter Team Blog
• Enterprise Search Architecture

Records Management

• Records Management Team Blog
• IT Showcase - Streamlining Records Management Using SharePoint Server 2007 Workflow

Excel Services

• Excel Services Product Team Blog

Work Flow

• Workflows in Microsoft Office SharePoint 2007 – MSDN Article
• Workflow Whitepaper

Knowledge Network

• Knowledge Network Team Blog

Add-On's

• WSS Application Templates
• SharePoint Learning Kit

Discussion Forums

• Microsoft SharePoint Products and Technologies Forum

Blogs

• SharePoint Team Site
• Arpan Shah
• Joel Oleson
• Lawrence Liu
• Chris Johnson
• Mike Fitzmaurice