I have always loved writing T-SQL scripts and am ever-ready to write a T-SQL script when the opportunity presents itself. I just wrote another one for monitoring Merge Agent performance and spewing out some legible English to track the slow performing Merge Agents in your Replication Topology.
Read about it on:
The script can be downloaded from either the above blog post or from the Script Center Gallery:
http://gallery.technet.microsoft.com/ScriptCenter/en-us/20467f5a-99f1-4313-9f12-6ac24346da14
TroubleshootingSQL 