Found this excellent post by Benoit Hamet – Microsoft has provided a complete Test Drive environment allowing you to set up a Lync 2013 Lab for testing and evaluation purposes:
This download comes as a pre-configured set of VHD’s. This download enables you to fully evaluate the Microsoft Lync 2013, Microsoft Exchange 2013, SharePoint 2013, and UC developer platform APIs including the Microsoft Lync 2013 SDK, the Exchange Web Services Managed API 2.0 as well as the Microsoft Lync Server 2013 SDK and the Microsoft Unified Communications Managed API 4.0. Also, Lync Server
From <http://www.microsoft.com/en-us/download/details.aspx?id=40266>
This is great for testing various environment configurations, including Unified Messaging and different Office 365 Hybrid scenarios. Get ’em while they’re hot!
Master & CmdR 