My wife, Cynthia Creasey, has kept her name.
To my mind, it is incredibly effective to simply use your name in your business. Michelle Wallace, Chicago's Finest Real Estate Agent.
I like cleverness as much as the next guy, but really, we as real estate agents get too clever by more than half. Mitchie's Marvelous Mansions, for example, really, would be so over the top.
If you do change your name, it is a fabulous excuse to send a notice and a pitch to everyone in your contact list. But, personally, I think HE should change HIS name!!