According to Shizowa San's latest Blog post, the promised Championship Expansion pack is now officially titled "Street Fighter IV: Power Up" in Japan.
Shizowa san has also announced that the patch is almost ready to roll out, and while no specific date has been announced, Shizowa did let us know to expect an official announcement of the release dat and content very soon.
According to Shizowa, the Expansion will have two modes, the Championship mode and a replay mode. More details about the two modes will appear shortly.
The price of this expantion ? its FREEEEEEEEEEEEEEEEEEEEE!!! yep, a free expantion, so maybe its time we stop complaining about the Alt costumes not been free? no? ok :-/