You can now run HADR in an active - active environment for read-only queries on the standby. This was introduced in DB2 9.7 FP1. This is feature that many clients have wanted and it will enable companies to more easily accomplish business objectives with the worlds best database, DB2 for LUW!
http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp?topic=/com.ibm.db2.luw.wn.doc/doc/c0056050.html