The new SharePoint 2010 (Beta) Developer Center on MSDN is now live. http://msdn.microsoft.com/en-us/sharepoint/ee514561.aspx There is a lot of great information for developing SharePoint solutions.

Some of the articles include

What’s new in SharePoint Foundation 2010 (formally WSS)

  • What's New: Alerts Enhancements

  • What's New: Business Connectivity Services

  • What's New: Client Object Model

  • What's New: Events Improvements

  • What's New: Microsoft Synch Framework

  • What's New: Mobile Device Development Enhancements

  • What's New: Query Enhancements

  • What's New: Ribbon

  • What's New: Sandboxed Solutions

  • What's New: Service Application Framework

  • What's New: Silverlight Integration and the Fluid Application Model

  • What's New: UI Improvements

  • What's New: Windows PowerShell for SharePoint

  • What's New: Workflow Improvements

    • What’s new in SharePoint Server 2010 (formally MOSS)

  • What's New: Business Connectivity Services (BCS)

  • What's New: Enterprise Content Management (ECM)

  • What's New: SharePoint Enterprise Search

  • What's New: PerformancePoint Services

  • What's New: Excel Services

  • What's New: User Profiles and Social Data

  • Word Automation Services Overview

    • I will be posting more information about each of these topics throughout the month.