Canon enforced their
MAP (Minimum Advertised Price) policy on retailers. This prevents retailers from advertising at a lower price lower that the price Canon has set for the item. It seems
Amazon,
B&H Photo,
Adorama have all "unofficially" dropped the price of the Canon EOS 5D Mark III body to $2,999.
Amazon shows the price on their page. But for
B&H Photo and
Adorama, you have to add it to your cart to see the low price.