Brainslug on 27 November 2008
I believe they did update Wii Sports - the catch was that If your Wii was online, you got the update as well.
I got my Wii at launch which means that I did all my Wii sporting in the first 3-4 months then basically haven't touched it since - then i threw it in to show a friend a few months ago and when I started a tennis match, all of a sudden we were playing on a different court than before - the second blue court that you see when doing the tennis challenges.
Can't see any other way they could have done this other than to include it in one of the firmware updates they send out.
