DerNebel on 17 February 2014
I don't want to get really involved in this discussion here but this is the post with the preorder chart for the Vita six days before launch (don't mind that it says 8 days, that's a mistake):
http://gamrconnect.vgchartz.com/post.php?id=4337107
Here's the thread page if you want to look at how the Vita games performed in the days before or after that:
http://gamrconnect.vgchartz.com/thread.php?id=98078&page=530
