Dashboard in K2 BlackPearl

There is a concept of "Process Portals" for MOSS in blackpoint that will be included in the next major release of blackpearl.  This has a bunch of process related web parts that combine to give a bird's eye view of process information.

 Other than that, it is also possible to utilize out of the box web parts (both K2 and non-K2) to create nice dashboards in MOSS.  I did see examples where people used the default reporting services web parts to pull workflow related information from custom reports generated by the K2 report designer.  There are also some 3rd party charting controls that allow you to embed charts that read off workflow or SmartObject information.