Microsoft has released two new hotfix packages for the client and server in an EPM 2007 environment. Both updates were released on the 26th of october 2010 and include very important fixes especially for those who work with program management.
You can get the updates from these links:
Client:
http://support.microsoft.com/kb/2412260/
Server:
http://support.microsoft.com/kb/2412269
Good luck:-)