Looks like Michal Jerz of my-symbian.com has experienced the de-calibration issue making it unusable. Reboot doesn't fix anything for him and seems to have to do a factory reset. http://my-symbian.com/forum/viewtopi...0267&start=480 ...."P.S. My unit apparently needs a reformat / restoring factory settings. Its touch screen decalibrated for good and to the point that using it actually isn't possible anymore. " Wonder if this is what's causing the n900 delay...