http://www.microsoft.com/office/preview/en
Legal View of Improvements to SharePoint 2013
http://www.law.com/jsp/lawtechnologynews/PubArticleLTN.jsp?id=1202563210396&slreturn=20120620114315
Great Recap of Office 2013 Changes
http://www.enterpriseblog.co.uk/2012/07/a-big-week-for-microsoft/
What DLL’s Changed
http://blogs.architectingconnectedsystems.com/blogs/cjg/archive/2012/07/19/SharePoint-2013-_2D00_-A-deep-look-into-what-changed-in-the-SharePoint-Dlls.aspx?utm_source=NothingButSharePoint&utm_medium=RSS&utm_content=NothingButSharePoint&utm_campaign=NothingButSharePoint
SharePoint 2013 is the official name of the next release of SharePoint.
http://technet.microsoft.com/en-us/evalcenter/hh973398.aspx
Free Ebook List
http://www.microsoft.com/en-us/download/details.aspx?id=30384
What is missing
http//technet.microsoft.com/en-us/library/ff607742(v=office.15)
Training Videos
http://technet.microsoft.com/en-US/sharepoint/fp123606
http://blogs.technet.com/b/keithmayer/archive/2012/07/17/sharepoint-2013-early-training-amp-resources-for-it-pros-now-available.aspx
Dev Training Videos
http://msdn.microsoft.com/en-US/office/apps/fp123626
Office product previews are now available for download.
http://technet.microsoft.com/en-us/library/cc262485(office.15).aspx
Server Products and Technologies in Pre-Release
- Exchange Server 2013 Preview
- Lync Server 2013 Preview
- Project Server 2013 Preview
- SharePoint Server 2013 Preview