PAL Wii numbers should be OK, the only reason America numbers fell last week is because all stock was held back for the Sunday explosion.
In UK it may not be easy to find a Wii but there have still been shipments to stores... and most of Southern/Eastern Europe can actually have normal Christmas boosts because supply is OK there.
The next posted week should see a nice Japan increase [190-200k]... Others may decrease but i think it will not be by much, or maybe a small increase [+/- 5% sales from last week], wheras America could see something in the vicinity of 700-1100k by itself... it is tough to guess how huge it will be.
So WW Wii should be between 1.2 million and 1.6 million.
If it is below 1 million i will not only eat my hat, but my scarf and gloves too.
