I recently worked on a project where we had to service two different user types with one deployment of Connections. The customer had extensive UI and feature changes for the smaller of the two groups of users.

So I am not sure if anyone else has really spent time with this feature yet or not, but IBM has rewritten the was Profiles customization and extension happens. It now takes advantage of the FreeMarker templating system for customizing Profiles, Business Cards, and Profile Search results.

While working on one of the first 2.5 to 4.0 upgrades with my team, here are some of our lessons learned.