You need to add an interactive database diagram.
- Zoom. Zoom in / out chart.
- Pan. Ability to drag a chart. Like a map.
- Drag & Drop tables.
- Relationships between tables.
I do not want to manually draw the whole thing. It would be nice to pick up some free lib that would implement the engine. Possible and paid.
Technology. Silverlight or HTML5. What exactly - no difference. You can implement a similar task on other technologies.