I came across these great videos from Brent Whichel’s Office-411.com , with Mike Gannotti . Full credit goes to those guys.
They do a complete demo of various Microsoft apps on the ExoPC Windows Slate
Here are the Lync highlights, more videos and the full article is here
Moving from playing Angry Birds to a Lync Video Call
Working with Lync and SharePoint People Search
Presenting with remote attendees using Lync
Transferring a Lync call on the Tablet to a mobile
Again, check out the full article and great site here

[...] Thinking about all possible devices and software a person can use to access to an UC infrastructure: ? There’s several choices for hardphones for both. Microsoft has 3rd party vendors loaded with a Lync firmware, while Cisco provides their own hardware which is an advantage with support contract management. Another advantage is that you can connect standard SIP phones (including software clients) to CUCM, while with Microsoft you must use 3rd party proxies. ? One possible advantage for Microsoft is that hardphones are cheaper and the displays are interface UC-like, a can even include contact pictures. ? In terms of PC, tablets, and smartphones environments, Microsoft has an advantage in Windows and MacOSx operating systems and presence and IM in general, but Cisco has much more options, specially for voice. Not only they provide VoIP clients for different platforms, but existing 3rd party SIP softphones available for all type of OS and devices (Linux, Android, …) have good chance to register with Cisco telephony. Note: XMPP compliant clients can register with CUPS to get presence and IM. ? On the tablets 3-digit growing market Cisco has the high performance video/voice Cius and Microsoft responds with Windows slate [...]
[...] Thinking about all possible devices and software a person can use to access to an UC infrastructure:? There’s several choices for hardphones for both. Microsoft has 3rd party vendors loaded with a Lync firmware, while Cisco provides their own hardware which is an advantage with support contract management. another advantage is that you can connect standard SIP phones (including software clients) to CUCM, while with Microsoft you must use 3rd party proxies.? one possible advantage for Microsoft is that hardphones are cheaper and the displays are interface UC-like, a can even include contact pictures.? In terms of PC, tablets, and smartphones environments, Microsoft has an advantage in Windows and MacOSx operating systems and presence and IM in general, but Cisco has much more options, specially for voice. not only they provide VoIP clients for different platforms, but existing 3rd party SIP softphones available for all type of OS and devices (Linux, Android, …) have good chance to register with Cisco telephony. Note: XMPP compliant clients can register with CUPS to get presence and IM.? on the tablets 3-digit growing market Cisco has the high performance video/voice Cius and Microsoft responds with Windows slate [...]