As promised, I'm returning to the topic of offline files. My previous article resulted in a lot of comments, so the client-side caching team have kindly pointed me at their internal FAQ. It's not yet in a customer-ready form, but I'll try to use it to answer some of the requests for help.
The csccmd.exe utility is part of the Windows Server resource kit, which you can download from here.
Edit: I've turned off comments on this thread - if you have a question, please go here instead.