The biggest change, however, is a Netvibes-style homepage, allowing you to drag and drop various modules like your friend’s photos and blog entries, your tribes, upcoming events, your del.icio.us bookmarks, RSS feeds, personal notes and links. The homepage is separate from your existing public profile page, which already allowed users to add videos from YouTube and Google Video, display photos, import blog entries and more.
I checked it out and found the interface to be a bit primitive at present. It seems that they do not allow you to import/export at present from what I found. That being said, I am hopeful that under their new (old) leadership, Tribe will continue to innovate around this feature area. The site already discusses that they are going to work on the export functionality. Surprised they picked THAT first.
Either way, good luck to Mark Pincus and his crew. We wish you the best of luck!