So if you consider yourself the bleeding edge type, you might want to head over to Microsoft today and check out their Office 2013 Preview βeta!
The preview is a Click-To-Run version that can be run alongside your standard 2007/2010 versions. Moshe Silber sent of this Lync 2013 screenshot showing off the new Tabbed Conversation view.
You can grab the bits here @
Microsoft.com/Office/Preview/



