It was in the April EGM, the lastest one. It had a small article of KHII, but it said that they will have their full KHII review in the May issue. I'm also thinking that since its the April issue, the KHII on Xbox 360 rumor is probably an April Fool's joke.
---Otherwise, "Square Enix, Inc. (Square Enix), the publisher of Square Enix™ interactive entertainment products in North America, and Buena Vista Games, Inc. (BVG), the interactive entertainment arm of The Walt Disney Company (NYSE: DIS) announced today the all-star voice cast and North American release date for KINGDOM HEARTS® II, the highly-anticipated action role-playing game (RPG) exclusively for the PlayStation®2 computer entertainment system. "
-EXCLUSIVELY FOR THE PLAYSTATION 2 COMPUTER ENTERTAINMENT SYSTEM