I tried the new 16mm 1.4 from Fuji at a wedding I was shooting last weekend. It performed really well and is a very useful focal length for a wide variety of subjects. It has no OIS, so you do have to be a little careful taking your shots, if you want them to be sharp. But when you get it right, this lens produces some lovely images, with great bokeh if you get reasonably close to your subject. I’m intending on using it on one camera, with the 56mm 1.2 on the other one, for the next few weddings ( I also used the X100s with the TCLX100 but that is another story ).
Focussing was as fast as any other lens in the lineup ( i.e. I didn’t notice any particular issues ). I particularly enjoyed using it for the dancing shots.