it doesn't have hex shaped holes, it has 7 sides
I haven't had a chance to watch the video at work, but the shot of the water in-out pipes make them look
HELLA restrictive...
Also, having a tube of hot-air in the middle of your graphics card will do nothing good for performance surely? You'd expect them to pre-fill the tube with some form of fluid for better heat exchange?
*shrug* not my type of card this one, an interesting concept, but could have been better in quite a few ways, in my opinion.