SharePoint 2010 - FOREVER

New Developer Features

1. Business Connectivity Services
2. Client Object Model
3. Sandboxed Solutions
4. Social Computing and Social Data
5. PerformancePoint Services (Business Intelligence)
6. Enterprise Metadata (Taxonomy)
7. Silverlight Object Model
8. Ribbon Extensibility
9. Microsoft Synch Framework
10. Service Application Framework

10 Microsoft Blogs

SharePoint Team Blog SharePoint Designer Team Blog Eric White's Blog SharePoint Experts Blog ECM Team Blog Erika Ehrli Cabral's Blog Paul Andrew's Blog Steve Peschka's Blog Developer Docs Team Blog BCS Team Blog

Broad subject areas SharePoint Designer Open XML, SharePoint Jean-Paul Gomes, Mike Gannotti, and Mike Benkovich Enterprise Content Management Office and SharePoint Workflow, ASP.NET development, Visual Studio tools Claims, Forms-based Authentication Draft content, recently published Business Connectivity Services

Top 10 How-to Topics in the SDK

1. How to: Create an External Content Type Based on a SQL Server Table
2. How to: Query Using LINQ to SharePoint
3. How to: Retrieve List Items
4. How to: Use SPMetal
5. How to: Create External Content Types
6. How to: Add a Custom Command to the Ribbon
7. How to: Create, Update, and Delete List Items
8. How to: Retrieve Lists
9. How to: Create an External Content Type Based on a Web Service
10. How to: Use Secure Store to Connect to an External System

Top 10 Namespaces in the Object Model

1. Microsoft.SharePoint Namespace
2. Microsoft.SharePoint.Client Namespace
3. Microsoft.SharePoint.Taxonomy Namespace
4. Microsoft.SharePoint.Linq Namespace
5. Microsoft.Office.Server.UserProfiles Namespace
6. Microsoft.SharePoint.Administration Namespace
7. Microsoft.Office.Server.Search.Query Namespace
8. Microsoft.Office.Server.ActivityFeed Namespace
9. Microsoft.Office.Server.SocialData Namespace
10. Microsoft.Office.Server.Search.Administration Namespace

Top 10 Classes in the Object Model

1. SilverlightWebPart Class (Microsoft.SharePoint.WebPartPages)
2. SPList Class (Microsoft.SharePoint)
3. ClientContext Class (Microsoft.SharePoint.Client)
4. SPSite Class (Microsoft.SharePoint)
5. SPWeb Class (Microsoft.SharePoint)
6. SPListItem Class (Microsoft.SharePoint)
7. ClientObject Class (Microsoft.SharePoint.Client)
8. SPQuery Class (Microsoft.SharePoint)
9. UserProfileManager Class (Microsoft.Office.Server.UserProfiles)
10. XsltListViewWebPart Class (Microsoft.SharePoint.WebPartPages)

Top 10 Web Services

1. Lists Web Service
2. UserProfileService Web Service
3. Admin Web Service
4. SocialDataService Web Service
5. Authentication Web Service
6. Sites Web Service
7. Search Web Service
8. DWS Web Service
9. SiteData Web Service
10. SPSearch Web Service

Top MSDN Webcasts

1. MSDN Webcast: SharePoint Server 2010 (Part 1 of 8): What's New for Developers (Level 100)
2. MSDN Webcast: SharePoint Server 2010 (Part 2 of 8): Developing Rich Solutions in Silverlight (Level 400)
3. MSDN Webcast: SharePoint Server 2010 (Part 3 of 8): Customizing Search Results (Level 200)
4. SharePoint Server 2010 (Part 4 of 8): Building Business Applications with Silverlight 4 and SharePoint 2010
5. SharePoint Server 2010 (Part 5 of 8): Developing for SharePoint 2010 on Windows 7
6. SharePoint Server 2010 (Part 6 of 8): Developing with the New User Interface Features in SharePoint 2010
7. SharePoint Server 2010 (Part 7 of 8): Developing with SharePoint 2010 Sandboxed Solutions
8. SharePoint Server 2010 (Part 8 of 8): Developing with Data Technologies in SharePoint 2010

http://msdn.microsoft.com/en-us/sharepoint/ff660759.aspx