I needed a quick query to get some server information using sys.dm_os_sys_info and SERVERPROPERTY ( propertyname ) . It is budget time so folks want to know some specifics about some of the current infrastructure. This is a nice way to provide a high level look at you infrastructure. Tested on SQL 2005 and SQL 2008 R2.
The SQLOS Team has a neat article about changes in 2012 for the DMV.