Okay then. I think the answer to this one is pretty straightforward, but it's making my head hurt.
I'm getting ready to launch a new version of our site running hosted blogs. I want to give owners access to their own accounts so they can work on their sites, install their own templates, upload content, etc. on but completely restrict access to the top level for the time being.
Explanation: We have a lot of pretty cool stuff going on that we don't want to get out yet. How can I make this work?