OMEGAMON XE For DB2 PM/PE inlcudes a variety of user interfaces. You have Classic 3270 and the new enhanced 3270 ui, along with ISPF interface. On the GUI front you have support for the Tivoli Enterprise Portal and also what is commonly called the PE GUI.
The PE GUI provides a nice GUI interface that offers some very detailed information on the DB2 susbystem, threads, real time and history. The snapshot history mechanism in the PE GUI is very powerful and is unique to the PE GUI. Note that whether or not you have PM or PE, you still can use the PE GUI.
A handy way to get the latest version of the PE GUI, here is a link to download the GUI: