Sounds like Profounder. Yes, there are significant legal issues to overcome in each state in fact. One idea that is intriguing is founders swapping equity. So if I give up 1-2% into a pool and receive a blended 1-2% back of a pool of other startups I'd jump at that chance.
First, start talking to people and showing them your concepts. See Customer Development and start shaping your idea around what people really want and will use. Second, remember that the initial idea you start with will not be the final product. It almost never is. Iterate, improve and continue to develop that seed of an idea or product based on input from the first point I mentioned. Also, good ideas persist in your mind longer. If the same idea keeps coming back to you then start there and push hard on developing it further. Chances are someone else is also working on this idea so chances are you'll find a partner working on something similar and might end up working together. Having a co-founder helps with bouncing ideas back and forth and keeping optimistic when times look bleak.
