Mixed in with all of the Street Fighter IV Championship Mode notes was an announcement on the Japanese SF4 blog that the PC release date of SFIV will be announced on May 1, 2009.

The PC version is going to have some extra features, which have only been hinted at by Seth Killian.

If the Google translation is correct, they said, "This summer is going to become [a] super hot release!" which may mean we'll see the game in July, as it's the hottest month.