TCS's Ajay Kumar sent me a great how-to for migrating already-converted Leads into Salesforce.  

This site is for us Salesforce Data Geeks--those administrators, consultants, and power users who tackle data issues in our Salesforce work--and I encourage you to share your insights.  I want this website to be the one-stop shop for everyone who tames Salesforce data for a living.

Email me your ideas at acumen at gmail dot com.  And many thanks to Ajay for a great help topic!