Nate, I like your other method of plasti-dipping the mobo all around the socket then foam on top of that.
I just have this HK 3.0 that is octagon shaped so it is prone to air seepage in the corners.....I wish it was completely square. So after a number of tries, with little success in preventing
all socket condensation, I found that some shop towel bits in the corners works pretty well.
Actually, what I really need is a nateman rev.2 block...when is that going into production? I got some cash in my paypal account waiting to burn a hole in my pocket