I have a need to be able to enumerate through the SharePoint User Profile database to collect some stats and do some analysis. Here’s some handy articles I came across while researching it.
How To Properly Enumerate User Profiles using the SharePoint User Profile Web Service
Updating and Enumerating User Profiles in MOSS
MSDN – User Profile Web Service
Enumerating Sharepoint User Profiles – Access Denied Exception
Hopefully someone else finds this list useful.