The MPR website has been updated to include Office 365 under the Develop Tab. Here are some of the resource available at the site:

Microsoft Office 365 Resources

Online Services

• Get free access to Office 365 tools and resources by signing up for the online services beta to get a full-featured look at what it can do.
• View a customer overview of Office 365 in this downloadable presentation (PPT).
• See how Office 365 can power your business in this video.

Developer Resources

• Learn about development while using Office 365 in this downloadable presentation for ISVs (PPT).
• Explore the developer story in Office 365. Specific topics include client-side add-ins accessing Microsoft SharePoint data, client object model, cloud-programmability with Microsoft Excel and Visio Services, and much more.
• Visit the Developer Center for Exchange Online as part of Office 365.
• Download the SharePoint Online Developer Guide.

Training

• Developer Training Course for Office 365
• Develop in the Cloud with Office 365

Learn in-depth about the individual services by watching these videos for developers:

• Microsoft Exchange Online
• Microsoft SharePoint Online
• Microsoft Lync Online
• Microsoft Office Professional Plus

Other Great Office 365 Resources

TechEd 2011 Office 365 Greatest Hits

• Overview
  • Microsoft Office 365: The Future of Productivity – Eron Kelly
  • Microsoft SharePoint Online Overview, Mark Kashman
  • Microsoft Lync 2010: In the Cloud, Ziv Fass

• Developer
  • Collaboration in the Cloud with SharePoint: A New World of Productivity – Eron Kelly
    • Note: We’ll be making the School of Fine Art demo available for field use in the GA time frame!
  • Developing Collaboration Solutions in the Cloud with Microsoft SharePoint Online, Chris Mayo
  • Developing Powerful Workflows in the Cloud with Microsoft SharePoint Online, Chris Mayo
  • Exploring the Office Developer Story in Microsoft Office 365, Tanuj Bansal
  • Four Ways to Leverage the Microsoft Lync 2010 Client APIs in Your Applications, Marcello Farjalla
  • Top 10 Insights on Development of Microsoft Exchange Server and Microsoft Lync Server 2010 against Microsoft Office 365, Albert Kooiman

• IT Pro
  • Microsoft Office 365: Deployment Overview, Zach Beers
  • What Do Existing BPOS Customers Need to Do to Prepare for Microsoft Office 365?, Michael O'Neill
  • Microsoft Office 365: Identity and Access Solutions, Ross Adams
  • Microsoft Office 365: Directory Synchronization, Jono Luk
  • Deploying Microsoft Office Professional Plus Subscription, Brian Shiers
  • Microsoft Exchange Online in Microsoft Office 365: Simple Migration Live!, Ram Poomalingam

Office 365 Training Course on MSDN: We released this training course along with the public Beta. The course includes 7 sessions, over 10 hours of video, and 16 labs as both an offline training kit as well as an online training course on MSDN. We’ll be including the School of Fine Art demo with the GA version of the kit. Stay tuned for more details!

Getting Your Own Office 365 Beta Account: Sign up at http://office365.com to get access to the Beta.