my sentiments exactly. however there is a legacy app that's been floating around for a few years... some use it, most don't. it's called a business plan.

hehe, well it won't do the work for you. But guide you through each phase. Idea phase > validation phase > how to build it phase > how to grow phase > etc. The same way Photoshop doesn't design the graphics for you, just provides you the tools and makes it as easy as possible.