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I love keyboard shortcuts. I hate the mouse. I use vi and emacs.

It feels great to use an application like gmail where you can key-around the interface and do not have to deal with the mouse as much as normal in the browsing world. A mix of mutt and Mail.app.

I would love a utility that showed me the keystrokes available on a given page / web application. It would be easy to work out the keypresses caught, but the hard part is working out what they do. Knowing that "w" does something isn't very helpful. The only way I could see this working out is if frameworks such as Dojo had a nice way to build shortcut keys, similar to getopts in unix.

If you develop an application, you create a hash of keystrokes, documentation string, and a function to callback on. If we standardized (small s) this data structure, one browser extension / greasemonkey script, could grok it and let you have a toolbar with that information (with options to always show it if there are bindings, only show when a user hits a quickkey, etc).

The next level would be to standardize some of the constructs. In a threaded view, j and k go up and down. Or maybe, a user could change the keystrokes. THREAD_VIEW_DOWN defaults to 'j', but a user can override it.

A pipe dream I know.