SharePoint 2010 Reference: Software Development Kit
Conceptual overviews, programming tasks, code samples, and references to guide for developing solutions based on SharePoint 2010 products and technologies.
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=12323
Installing and Using the SharePoint 2010 SDK Download
http://msdn.microsoft.com/en-us/library/ff847473.aspx
SharePoint Foundation 2010 SDK Documentation
http://msdn.microsoft.com/en-us/library/ee535067.aspx
SharePoint 2010: Professional Developer Evaluation Guide and Walkthroughs
Describes the SharePoint 2010 developer platform, including walkthroughs of some of the new capabilities for developers.
http://www.microsoft.com/download/en/details.aspx?id=7204
Developing Applications for SharePoint 2010
Provides technical information about key areas of SharePoint 2010 application development. It contains a written guide, reference implementations with source code and documentation, and a library of reusable source code components.
http://www.microsoft.com/download/en/details.aspx?id=23919
SharePoint 2010: Getting Started with Development on SharePoint 2010 Hands-on Labs in C# and Visual Basic
10 hands-on lab manuals for SharePoint 2010 to get started learning SharePoint 2010 development.
http://www.microsoft.com/download/en/details.aspx?id=17215
SharePoint 2010 Developer Training Kit
Provides developers with advanced guidance on how to develop for SharePoint.
http://www.microsoft.com/download/en/details.aspx?id=6184
Videos – Microsoft Office SharePoint Server
http://www.microsoft.com/events/series/sharepointserver.aspx?tab=videos
Webcast on-demand – Microsoft Office SharePoint Server
http://www.microsoft.com/events/series/sharepointserver.aspx?tab=webcasts
Virtual Lab – Microsoft Office SharePoint Server
http://www.microsoft.com/events/series/sharepointserver.aspx?tab=virtuallabs
Nice blog… which covers a lot…