Then spent the rest of the afternoon helping a start-up I advise build a model that takes all their assumptions into consideration and helps them understand how the relationship between all the variables in their business and how they related to the return (or lack of return!) generated by their investment. Modeling this all out beforehand helps companies identify what needs to be true in order to be successful. (Nerd stuff!)
Work-plug: If your company employs developers, I'd love to help you create a similar map that you can use to understand how to best invest their time and effort in order to grow the business. (Flux Capacity)
After almost two years of consulting full-time as Flux Capacity, I finally had worked with enough clients to put together a decent-looking clients page. Photoshop drop-shadow, kapow!