On a more positive note, we have retired our trusty cardboard Klondike in favor of something a little more pleasant to look at. http://i.imgur.com/Zqrt4O8.jpg
We've also tested the stacking design for those of you who have purchased more than one unit http://i.imgur.com/rvzlIdf.jpg
Very nice!! Can you post the height of each of those? 1 unit with fan on top, and 4 units with no fans? Trying to work out spacing.