Online Services Release Notes
With the recent update of the services, there was also a "release notes"document that I just found out about.
It has some useful tips and information, worth looking at for those of you deploying the services.
http://www.microsoft.com/downloads/thankyou.aspx?familyId=f297f10c-de9b-4c3e-8aa4-60d7f1baef55&displayLang=en
