DonWii on 04 June 2007
I think KH3 will end up on the PS3, but there should be a spinoff for the Wii.
DQ series will end up in the DS, because it has the largest userbase. I expect DQIX to sell extremely well on the DS.
FFXIV... Depends on sales on the PS3 and wheter or not FFXIII ends up multi (I doubt it)