Materials for learning SharePoint 2013 Preview

A preview of the official SharePoint site looks like this .
Under the cat links to products for installation, articles and guides.

Products to install

• SharePoint Foundation 2013 Preview
  
  
  • SharePoint Foundation 2013 Preview
  • Language Packs for SharePoint Foundation 2013 Preview
    
  
  
• SharePoint Server 2013 Preview
  
  
  • SharePoint Server 2013 Preview
  • Language Packs for SharePoint Server 2013 Preview
    
  
  
• Office Web Apps
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  • Microsoft Office Web Apps Server Preview
  • Language Packs for Microsoft Office Web Apps Server Preview
    
  
  
• Development Tools
  
  
  • SharePoint Designer 2013
  • Microsoft Office Developer Tools for Visual Studio 2012
    
  
  
  
• SQL Server 2012 SP1 CTP3 (use ONLY to test new BI features for SharePoint 2013)
  

Articles from MSDN and TechNet

• Changes from SharePoint 2010 to SharePoint 2013 Preview
• SharePoint 2013 Technical Library in Compiled Help
• Test lab guides for SharePoint Server 2013
• Start building apps for Office and SharePoint
• What's new in authentication for SharePoint 2013 Preview
• What's new for Business Connectivity Services in SharePoint 2013 Preview
• What's new in eDiscovery in SharePoint Server 2013 Preview
• What's new for mobile devices in SharePoint 2013 Preview
• SharePoint 2013 Preview
• SharePoint Server 2013 Preview
• What's new in 2013?
• Preview 2013 sites
• SharePoint 2013 Preview
  

Architecture

• Topologies for SharePoint 2013 Preview
• Databases that support SharePoint 2013 Preview
• Design Sample: Corporate Portal with Host-named Sites for SharePoint Server 2013 Preview
• SharePoint 2013 Preview: App Overview for IT Pro
• Design Sample: Extranet with Dedicated Zones for Authentication for SharePoint 2013 Preview
• Search architectures for SharePoint Server 2013 Preview
• Enterprise search architectures for SharePoint Server 2013 Preview
• Design Sample: Corporate Portal with Path-based Sites for SharePoint Server 2013 Preview
  

Update

• SharePoint 2013 Preview Upgrade Process
• SharePoint 2013 Preview: How to Test Upgrade
• Upgrade worksheet for SharePoint 2013 Preview
  

Books

• Deployment guide for SharePoint 2013 Preview
  

Backup and Restore

• Backup and restore: SharePoint Server 2013 Preview
• Back up and restore planning worksheet
  

Code examples

• Apps for Office and SharePoint Samples
  

Video

• SharePoint 2013 training for IT pros and SharePoint 2013: presentation: IT pro training
• SharePoint 2013 Developer Training