Halo 4s game page has been updated showing its total as 5.91m...this means that it sold ~390k this week WW, which is 30k more than I predicted! Great sales!
*waits for exact numbers*
My prediction threads:
Wii U will sell under 40m units (made on 14th September 2012)
PS Vita will sell under 20m units (made on 30th September 2012)
Wii U will sell under 7m in 2013 - I was right