i haven't been following the X10 and XS1 for a while... but it sounds like the EXR sensor which is shared between the X10 and the XS1 is doing its job in capturing light "too well"... thus the blooming. as resported, when metered for a nightscene, bright lamps / headlights will appear "blown"... from the sensor, its blooming.
does metering -1EV to -2EV (at the expense of overall scene) or shoot in DR mode (6MP vs 12MP) help? the lowering of the exposure (-1EV or -2EV) of the scene to try to get it to a level where the sensor doesn't bloom from the light soures. the DR mode bands photosites works in pairs together to increase the dynamic range of the image, where one of the paired similarly-colored photosites has a "shorter exposure", while the other is "fully exposed". and this was what the firmware "fix" was trying to do, but you had to be in EXR mode.
whatever it is, we at least know that Fujifilm has already said that they recognise the issue... tried a firmware, didn't seem to resolve it... now a new sensor, hopefully that will do it. but that been said, they said that the new sensor will only be available from late May 2012... so some patience, pls.
as advised by the release, if you have a X10 and XS1 which has exhibited the "orbs", to call their local authorized Fujifilm service centre. i understand that they will take down your details, and will call you once the sensors are in. thereafter, they will test your camera and do a sensor replacement if nec. but best you call and get the information directly from the Fujifilm service centre directly.
so, for those who have not really been affected by the "orbs"... carry on shooting;
for those who are a little irked by the "orbs"... try the -1EV / -2EV or DR and see if you can live with it for now... until late May;
for those who cannot tahan the "orbs", let's wait to see how the new sensor performs...
