I found a job with decent pay, upgraded my PC, installed Windows 7 Ultimate, installed SP1 RC and was amazed in what ways it screwd up my maybe not perfect but at least stable Win7-U SP0.
Remember boys and girls do not i repeat DO NOT install anything from Microsoft that is labeled as Release Candidate!
It can start an unstoppable chain reaction an make your PC attack you with BSoD's random hangups and many other things that will damage your mental health or body (as effect of slamming your head into the keyboard form despair).
To be safe after MS releases Final version of any of they products wait another half year for them to release about 100 fixes and then install it to be sure that you will have stable user experience.
From tomorrow i will resume my MOtD review series. Well if anybody read it anyways ;-)