The PowerShell ISE is much improved in V3, needless to say I am really enjoying writing scripts with this tool! It is however, not without hiccups.

I was trying to run the Invoke-Sqlcmd cmdlet when I got the following error in the PowerShell ISE

Mixed mode assembly is built against version ‘v2.0.50727’ of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information.

Basically just means PowerShell has support for side-by-side runtime, and we need to specify an activation policy in a config file. The config file name must be placed in the same directory as your exe file, and must be named the same as your exe file, plus a .config extension.
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As a gist, the new SQL Server 2012 will have a new set of editions:
– Standard – will be the new basic version
– Enterprise
– Business Intelligence
– Developer
(no more DataCenter, Workgroup and Standard for Small Business)

For licensing, Microsoft is doing away with per processor licensing – but replacing this with per core licensing (licenses to be sold in 2-core packs). And for a VM, you pay for virtual cores.

Cost breakdown nicely explained and tabulated by Glenn Berry here: http://sqlserverperformance.wordpress.com/2011/11/10/sql-server-2012-licensing-and-hardware-considerations/

Find the official transcript here:
http://www.sqlpass.org/Community/PASSBlog/entryid/380/Preparing-for-SQL-Server-2012-What-You-Need-to-Know.aspx

Link for Licensing Options for SQL Server 2012:
http://www.microsoft.com/sqlserver/en/us/future-editions/sql2012-licensing.aspx