I've reported that I have a big delay, when I log in into my admin interface since I've updated to 2.0.
I think it's my dashboard causing this delay.
The lastest entry in the development blog is this one:
"WordPress in Popular Science — 248 Tage ago
When I was a kid I would wait anxiously every month for the new issue of Popular Science because I had a fascination with the future and always wanted to check when those darn flying cars were coming out. I’m still not sure about the flying cars, but Popular Science seems to be on top [...]"
So I think the dashboard tries to ping the wordpress-server but cannot reach it. Any suggestions? Maybe I can deactivate this function of the dashobard.