UDT is a very useful feature if turned on for all devices in the network but the precanned widgets are very limited - it would be great if more research could be put into this and a set of useful widgets provided. Things like unused ports (I know this one exists but it is very limited), unused ports that are up/down, with/without port descriptions, ability to limit the widgets to specific interface types etc.
In short it has the makings of a great tool but usage is hampered by the limited access to the data by the reports and widgets provided. There seems to be a whole host of DB tables related to UDT but they are not easy to follow and don't appear to be documented in any useful fashion.