Yes, Yet Another Profile Site - I've created my about.me/rmmarshall profile to join my hi.im/rmmarshall as well as the inevitable LinkedIn.com/in/rmmarshall and others.
About.me is noteworthy for three things. The first is that setting up profile didn't require me to enter any URLs or fish about for passwords. All the links just worked. Integration at it's best. The second is the exemplary use of DHTML: the interface is highly dynamic, gorgeous but with excellent usability. Thirdly because the company, with no obvious means of generating revenue, has already been acquired.