Finally got around to trying a can of the Grafenwalder that I was given after this testing was finished.
I'm not sure if it says more about the beer that I have/haven't tried in the past/future, but this stuff was really tough to even drink half of. I haven't drank this type/grade of beer since I was in university in the states and it ranks right up there with the worst of cheap American macros as far as I'm concerned. Wow.