Updated sales numbers from NPD via GAF (Forza, Demon's Soul, Rabbids, etc.)

[mrstickball]

Sega could base it on retailer re-orders of stock.

e.g:

50,000 units get sold on the first order to all retailers. One week later, 10,000 units are reordered for stores. I am sure there is a formula that can derive sellthrough based on retailer demand after launch.