The numbers have been adjusted a couple of times this year already. They might be a little off right now (and not a lot -- they're almost right in line with announced shipment/sold numbers), but they'll end up getting adjusted to be accurate if they don't agree with console manufacturer shipment numbers as announced.
Ask ioi about the details, of course, but the bottom line is that VGC data is kept up to date, even if the tracking is off (as it was with the 360 this month.







