We just got a new lead, and they want to buy a "tech discovery" phase from our software development consultancy.  They basically have an idea, a graphic designer, and an information architect.  They will put together a set of wireframes and we will be responsible for figuring out what they need on the technology side.  I want to be able to come out of this phase with the ability to make a phase 1 development proposal for the first working prototype.  They have enough budget for about 40 to 50 hours of work in this phase.<p>What do you normally include in the proposal at this stage in the game?
Ask HN: What should I include in a tech discovery phase?