2007 Monthly Hardware Sales
Everyone loves sales figures. eMarketer has done us all the favor of rounding up the 2007 monthly sales of each current-gen console (which they mistakenly call "next-gen") and dropped it all into a sharp table. Here is said table, but note the total numbers at the bottom are not year-to-date totals. They are total lifetime console sales.
IGN added the figures from each month to get the total year-to-date sales for each console: