Well it seems these things work, even without gameplay footage
Been keeping an eye on the order's ranking at amazon uk
been hovering between 110 and 150 past few days
after new hourly update just entered the top 100 at 95
Let's see what's next in marketing and its effects.
I think the game is going to be a bigger deal in Europe than North America. Amazon US has both the standard and collector's edition just outside of the top 400. I'm sure it will go up the closer it gets to release but that should give you an idea of the current difference in anticipation between US and UK for the game.