It would be extremely helpful if you could drag'n'drop tickets into a calender of employees. That way a ticket is not only assigned, but planned at the same time!
We should be able to integrate user calendars with our Messaging/Collaboration service, such as Exchange, Office365 or GMail.
Would be nice to have exchange sync for staff calendars.
The new services feature to allow management of Office365 and/or Google Apps holds promise but is certainly not complete. The most common request I get is to allow calendar sharing in Google apps and that is not addressed at all. I still have to log into Google's web interface to set it up instead of using the Calendar API.