really like your post here and happy to come up with some ideas.
1. Another customer used the mashup feature to combine different gateway T1 card utilizations as they were connected to different providers. With that he was able to locate problems ralated to a specific provider quickly.
2. In my past as a support engineer for Cisco things like DB replication, specific Services and Events (Vendor Alerts) for a kind of health check display. You would be able to check within seconds if DB is ok, no backup issues exists, Webserver is running etc.
Hope there are more ideas to come here