Did you know there is a site available on officepreview.microsoft.com that contains important facts about the SharePoint 2013 beta versions.
1) The following list contains important facts about SharePoint Server 2013, SharePoint search and Microsoft SharePoint Designer 2013
- SharePoint Server 2012 known issues
- SharePoint Server
- Audit and Control Management Server (ACM Server)
- SharePoint Designer
2) The following list contains important facts about SharePoint Foundation 2013
3) The following list contains important facts about Microsoft Office 365
- SharePoint Online known issues
- Office 365 Home Premium
- Exchange Online
- Lync Online
- Project Online and Project Pro for Office 365
- SharePoint Online
- Visio Pro for Office 365
Hope it helps!