Such a dashboard would be helpful. Plus, a public version would allow me to link to something like http://stackexchange.com/users/####/user-name and allow people to see my profile, my reputation on all of the stack exchanges I participate in, and have quick access to the questions I ask and answer.

Such a dashboard would be helpful. Plus, a public version would allow me to link to something like https://stackexchange.com/users/####/user-name and allow people to see my profile, my reputation on all of the stack exchanges I participate in, and have quick access to the questions I ask and answer.