I'd like to also add that it would be nice to get a show-comment-at-full-opacity-on-mouseover for downvoted comments, like SomethingAwful's Forum Cancer. As it

I'd like to also add that it would be nice to get a show-comment-at-full-opacity-on-mouseover for downvoted comments, like SomethingAwful's Forum Cancer. As it stands, having to highlight someone's comment just to see what they're getting blasted for (and my system highlight color is a light green, which makes it even more fun) seems like poor UI design.