Recently Microsoft released information about what to do before you upgrade to CM 2012 SP1 when it will be released. The following link has all the interesting information On the page there is a Configuration Manager SP1 Checklist section for you available and the Considerations For Upgrading To Configuration Manager SP1 section…  you can read what you need to check and what will happen automically, what you need to do as an administrator before and after ugrade and which configurations are affected. Handy information.