This company was just written up in the New York Times. Quirky is a site that is really suited for ideas that are not patentable because if you submit an idea it would be considered public disclosure.
Even if you don't submit your own idea, you can help contribute to other people's ideas and earn a percentage of the sales.
http://www.quirky.com/?r=46892bff632fc61d670dd7e4bbe8f4e8
