although i've not had any major trauma, i'm still fnding bugs in RC1, like the internet connection throttling back at random times needing a reeboot of iE8. I've clicked the send feedback shortcut but nothing seems to happen.
The biggest pain though is the Mobile device centre, which when it syncs with my WinMo device and updates the outlook contacts manages to conveniently delete custom ringtones I have set up!
small but annoying!
Also I have administrator as a user, but with the revised run as admin and authorisation prompts do I really need this user account anymore, as when installing software or modification it still asks for a confirmation of control.