@JleeAtKEMP: Hi there - Azure, as you note - does work differently. I can't see this simple spreadsheet working for the broad scenarios that Azure will support. I think you'll need to take the thinking behind the model and tweak it to work for your scenario.
Hi @Kaled Deeb: You don't have to sign up at all - the Webinar will be live on the morning of the 30th, Pacific time. At 10am Pacific time that day, Harald will be available here in the comments section to answer questions about the Webinar. And it'll remain online, so yes - you can access it (and the Q&A) later.