One of the under-utilized killer features of Oracle ADF is the Data Visualization (DVT) compontents.
It is easy to build bad visualizations as Oracle themselves show in the documentation:
However, the commercial application that Oracle build with ADF (Fusion Applications, Enterprise Manager) obviously have benefited from the skills of professional visualization designers. These products use of visualizations well.
You application could probably benefit from some visualizations, too. Check out Status Meter and LED gauges as well as Spark charts. All of these are very compact and can fit into table rows, making a lot more information available to your users.
I covered ADF Visualizations in the latest issue of the ADF Mastery Newsletter. Sign up here for regular tips on how to learn and make the most of Oracle ADF: http://eepurl.com/0J1a1