>>
>>Thanks very much Bill.
>>
>>I'm reluctant to switch from 2008R2 to 2012 at the moment as I don't have time to test the system thoroughly before we have to do the upgrade.
>
>2008 is licensed per processor instead of per core. It comes out a little cheaper since you can license a processor with multiple cores for the same $$ as a single core.
>
>FWIW I haven't had any problem with databases I've moved from SQL2008R2. Restore them on 2012, create the users, update connection strings (just the server name), and it just works.

Thanks again. I'd still need to do some testing as this is a live production system that runs the business, so if it were to go down they'd have my head.