A lot of the decisions around this depend on what your app is doing. We are building a profiles section to our site with typical social networking features. We

A lot of the decisions around this depend on what your app is doing. We are building a profiles section to our site with typical social networking features. We didn't provision at all for non-js because a) you need js to even get to the app and b) the director of engineering is an incompetent wanker and has no experience building web apps. Normally, you need to start by breaking down what sections of an app absolutely need js code to work. Regular forms dont need any js to run. You can have a fancy form that falls back to a basic form. Also, don't rely on js 100% for styling. Use css for everything. Except for ie6 and :hover. Bloody IE...