New version of SQL server 2012 launch date is set for 7th of March. The offering will be in three main edition. Details of edition feature comparison can be found at
Feature comparisonEnterprise Edition (EE) will be licensed based on compute capacity measured in cores
Business Intelligence (BI) Edition will be available in the Server + CAL model, based on users or devices
Standard Edition (SE) offers both licensing models to address basic database workloads
There will be Web Developer and Express versions but this is not detailed enough and we just have to wait and see.
SQL Server 2012 will continue to offer two licensing options one is based on
one based on computing power and the other is based on based on users or devices. The way the power is measured is not processor rather core based.