Update: Today, May 2nd, Adorama and Amazon started shipping the Fuji X100 cameras in the US (ordered on January 16th):
According to Brandon Remler, the FujiFilm FinePix X100 camera is now shipping in the US and the first dealers should be getting them tomorrow:
"As promised here is the update. The X100 has begun shipping in the USA. Several dealers should see the cameras and accessories tomorrow April 29th. Demand is of course greater than supply. The shipments will continue and we will catch up."
In Canada, a second shipment of Fuji X100 camera is now being shipped: