This is a proof of concept video highlighting an alternative way of working with fields (CCK).

The solution, although very different, is based on the following Drupal interaction patterns:

1. Form builder 2. Edit Machine type 3. Vertical tabs

I'm working on a solution for degrading. Not quite there yet, but this here's a current state preview:

http://skitch.com/jeff.noyes/nngfx/fieldsui.mov