Super Mario Sunshine co-director Takeshi Koizumi will be on hand to help promote a new title at E3, Nintendo recently confirmed. Koizumi, who directed the latest Mario adventure for the GameCube alongside Kenta Usui, will be speaking to the press with Sunshine assistant director Takao Shimizu about an as-yet-unannounced new title. Nintendo has shown some of its E3 games to the press, but it"s also keeping a few unveilings close to the vest in advance of E3. Check back for a full report from Nintendo"s press conference when the deal goes down on May 11.