There are some changes coming to facebook.
1. email, yes, email is coming where you will be able to register your @facebook.com email, which will be used for chat, sms, and of course email.
2. Pages are being upgraded to look more like profiles.
3. Viewing pictures the viewer will float on the page.

Some of these changes have already been rolled out to some users. Expect wider rollout in the coming days and weeks.