Same here - we have a dozen 2012 servers each setup with several instances of SQL Server 2012 in our test area - thus far no problems (but we've only had them operational for 8 days thus far..ha)

>We have several instances of SQL Server 2012 running on several instances of Server 2012 with no problems
>
>>Anyone uses the Windows Server 2012? I am interested to hear feedback as we are looking at it to put a SQL Server 2012 on it.