I did the reversed quarter modded HD414 pad mod. I covered the distancers with the Senheisser px100 pads to temper the highs. So far this is for me the best setup since i have not tried yet the big bowls of the GS1000.
http://picasaweb.google.nl/bbmango7/...96127539130498
http://picasaweb.google.nl/bbmango7/...96127539130498