Gamestop pegs it for May 3rd and Amazon says May 31st. Darkspore is a sci-fi action RPG based loosely on the Spore universe. No word from EA yet.
Weekend beta tests have been running for Maxis' Darkspore and perhaps they've come across enough issues to address that EA pushed the title into May? The month of May is becoming an increasingly crowded 31 days for videogames this year.
Darkspore releases exclusively on PC.