We reached a milestone that's so great for me, that I need to share it - even though it will be hard to grasp for those not having shared the road:
http://stephan.kulow.org/openqa-staging.png - WE'RE ALL GREEN!!
To put this in numbers: we haven't regressed (openQA test results) in the core of factory this year. Not a single day in 6 weeks! And at the same time we improved the tools to handle these stagings. And meanwhile "tested in E" has become a phrase everyone on #opensuse-factory understands ;)