Some great new reporting features just released for Office 365.
http://msdn.microsoft.com/en-us/library/jj984325.aspx
A lot of these reports can be very useful in troubleshooting your environment. Especially the connection oriented ones for troubleshooting application connectivity into Office 365. Which is a big generator of support calls we see into Tier 3 support!
I will be adding some PowerShell snippets to this blog post soon...