Favourite part of HDN: The people and the currentness/accuracy
What could be improved on HDN: Collection Manager. I prefer to maintain my collection on another site due to ease of use; I suspect I am not alone on this.
Favorite part is the Steelbook section. As for improvements, vendor post tags like the ones in the GB section would be awesome so we could more easily filter threads based on vendor.
I love the steelbook section. My favorite aspect of this community is that group buy hosts are always willing to help other members out. Nothing can be improved from HDN's end. But people could be more patient with one another, and the negativity level by some could be dropped down a notch.