We have done a quick specification comparison review between these three camera, the to be announced X-T1 have bit more ISO range. fast continuous shooting speed, + Fuji X-T1 also gives you quick access manual control dials over the top and eye catching weather sealed retro design compared to its compatitiors.
The table may contain some errors as the final specification is not out yet, we will soon publish detailed specification comparison after the announcement of the Fuji X-T1