Michael Buble soars this week to possibly over half a million in sales following his highly rated prime-time NBC special. Can he sustain his momentum through the next to last Christmas shopping weekend of the year? The #2 spot appears to be solid right now for The Black Keys. But nipping at its heels is the formidable Adele, who has thus far defied almost every sales trend in the modern music era. Here's how it looks headed into the weekend: