To quote myself from a previous week:
I predict the following WiiU sales moving forward:
Week ending dec 8: 40 000 (real numbers ended up at 46000-48000)
Week ending dec 15: 65 000 (real numbers ended up at 70000-75000)
Week ending dec 22: 90 000 (real numbers ended up between 110 000-120 000)
Week ending dec 29: 60 000
Week ending jan 05: 80 000
Looking at how WiiU sales are trending, expect the system to sell more than 100 000 next week. (week ending dec 22)
Sales are decent this week as well but will most likely be down next week, and up the following week.