According to N-Philes, Capcom's Resident Evil 4, and Killer 7 have both been given precise North American release dates. Killer 7 will hit U.S. shelves on September 14, 2004 and Resident Evil 4 on November 16, 2004.
Also worth noting, IGNcube has learned that Pikmin 2 is set to hit Japanese shelves on April 19, according to Nintendo of Japan. It's North American release is not yet known, but due to its absense in Nintendo of America's second quarter release schedule, many have speculated that the game may be pushed back to a third or fourth quarter release.
Source: Nintendo Philes, IGNcube