Welcome to WebmasterWorld Guest from 188.8.131.52
joined:Apr 13, 2002
Nothing sells better than your organizaton, charm, presentation, and passion. The personal touch, being there in person, can give you the leg up.
Somebody made an excellent post here about what materials he/she brings to a presentation. The gist of it was that whipping out pages of screenshots and support documents can win the day.
But I also believe that your belief in yourself can be infectious.
Proposals for RFP as JakeFrederick suggested are defined by the original documentation normally provided by the company requesting the proposal.
Some specific details as to what you are attempting to develop would help.