Hi
The e-commerce system i use has a great ideas system based on USerVoice, you can see it in action here:
http://ideas.ecwid.com/pages/22031-ideas-ecwid
Could you implement something like this as it would allow you and us to log ideas, vote for them, see which ideas have been adopted etc.
The way it is worked is that the more votes an idea gets, the higher up the development list it is put - I think they do a free version