Another user at Dpreview has posted this image using the X-S1.
I cant think of a clearer demonstration of just how intrusive the "orb" problem is with the two new Fuji's. Short of replacing the sensor I'm not sure exactly what Fuji will be able to do to mitigate this issue.
Click on the image to view at full size, taking note of the Sun's reflection in the chrome work on the bike. Would you be happy to see this on your photos?