The X100 should start shipping in Japan on March 5th. For the US and Canada I heard March 18th as a potential shipping date.
Fuji's new flashes that will be compatible with the X100 seems to be Sunpak clones - can you tell the difference?
Fuji claimed that they have developed their own flash system:
Q: Fujifilm's own past and I did not have the TTL dimming protocols, this new definition of what?
A: The SLR camera was used previously as it is based on a system with Nikon's body, this time to decide its own dimming protocol. This is the first of Fujifilm. The flash also launched simultaneously with the corresponding body. In addition, you will follow the Fujifilm cameras are also used in the future.