One thing I noticed that seems to be missing is the ability to add a new contact quickly. There is no link on the profile pages to add someone to your contacts.

The process requires you to navigate to the Community -> Contacts page and type (or paste) in the persons screen name to add them.

In the big picture, not a big deal, but it slows down the process of building a network/community. Facilitating speedy connections is paramount when building community.

My 2 cents. ;-)