The delay for DJ Max Fever was a short one. PM Studios let Siliconera know the first US version of DJ Max is on track to come out in stores next month. In a short amount of time PM Studios and Pentavision completely changed the engine. Instead of getting DJ Max Portable 2+ you get enhancements from DJ Max Portable: Black Square which is scheduled to come out in Korea later this month.
It also sounds like PM Studios is planning a future the DJ Max before the first game even launches. In an interview with the Escapist, Executive Producer Michael Yum discusses reaching a mainstream audience through downloadable content and expansion packs with different labels.