Yes its coming here is some more info.apparently there can be up to 7000 zombies on screen at once.
http://en.wikipedia.org/wiki/Dead_Rising_2

http://uk.ps3.ign.com/objects/143/14312883.html

I just picked the first one up today, I haven't played it in some time and need to get my skills up to par so i'll be ready for DR2... Next month is gonna be great, I will be playing a new Dead Rising, a new Call of Duty, and a new Halo.