Looks like Best Buy is hoarding another shipment of the Wii for this coming Sunday, January 21.  Kotaku is reporting that several stores will be getting at the very least 15 units per store.  Kotaku:

He says we should, in reality, expect around 35-45 consoles at each store, but we suggest setting your expectations to the store minimum. The minimum store allocation will also be published alongside the weekly store ad, so this won’t be a secret.

This information will also be in the weekly ad for the store, so there will probably be A LOT of people there.  Go prepared for the cold weather if you’re looking to get one this weekend.

Source: Kotaku