While the OCS Resource Kit has some nice tools, I am not especially happy with the Archiving CDR Reporter. Yes, it is good for the basics, but sometimes it just doesn't have the features that I need.

 

Some optional 3rd Party tools that you may want to consider include the following:

I am sure that there are others, and I believe that the new Symantec IM Manager also supports OCS 2007 R2.