[decultured]

We are using Google Docs' forms tied to a spreadsheet for our startup. We have it load in a jquery window and looks decent, it is fully integrated, is customizable to be as complex or simple as you want, requires no registration and is free.

[trapper]

Good idea. I think something like this that has a great design by default would be a great open source project, and would be a better alternative compared to uservoice et al for most companies.