The Online Photographer has a guest post by Robert Plotkin: Shooting with a Fuji X100.
Plotkin has a lots of gripes against the focusing system:
The imprecise focusing takes an unusually long time. It is like waiting for a cashier to incorrectly manipulate an abacus and hand you the wrong change.
He also have issues with the usability. But in the end:
Shooting the Fuji X100 is like driving a vintage Ferrari: bugs in your teeth, pebbles ricocheting off your goggles, double-clutching straight cut gears, applying opposite lock to correct a slide—and coming out of the corner neck-and-neck with a soccer mom in a black Escalade of an SLR.
Read it thoroughly. I still want to get one.