Hmmmm.... I can't help but be skeptical about the whole "two cartrige" deal. DS' can't download data from cartriges (as far as I know), and the only way I can see the two working is if you had two DS' (used one to transfer data from DQIX 1 onto DQIX 2 on the second DS).

However, if there are really two cartriges, then that means two major things. A: This opens the way for large PS games to be transfered to the DS (FFVII being one posibility). B: With two cartriges, as well as alot packed into both cartriges, the price would be very high. I wouldn't be suprised if it went over 70 dollars U.S.