Microsoft has released a Virtual Machine (VM) for CRM 2011 for field and partner consumption. This virtual machine is for demonstration purposes and is pre-loaded with a number of high value scenario demos. It includes CRM 2011, SharePoint, Exchange, Outlook client, SQL Server, and includes xRM scenarios such as portals, facility management, employee management, vendor management scenarios. With the host of tools available within the VM, it can also be used to kick start your CRM 2011 development if you’d like to build apps for CRM 2011.
You can download the virtual machine from PartnerSource here: https://mbs.microsoft.com/partnersource/deployment/methodology/vpc/MSD_CRM2011VirtualMachine.htm
If the standard one doesn’t fit your needs, you can always build your own custom CRM 2011 VM.