I recently replaced X100 with X100t and would like enhanced low light auto focus fw upgrade. The only negative is that the buttons on the t are smaller and stiffer compared to X100/s. The font on the screen is sometimes a bit small, the screen while higher resolution little washed out? When you enable Face detection the only indication is a small icon change (and not in OVF) while we could use a banner on the LCD like when other settings are changed..