If you do decide to change the URL, you might want to post the new URL for a day or so so we can all copy it before you make the change.
Alternatively, you, as admin, have everyone's registration email, so you could blast out a message to all members.
It will make it more friendly in the search results and make sure we get the eyeballs of our brethren common stock owners too. (Despite the opinions of the other board regarding my position on the issue, I am not against the common stock LOL!)