By the way, if anybody's interested in more reviews / rankings, the following digital book seems to have much of the same content as Ghostfit's magazine. Reviews similar to the ones he posted start on page 96.
プレミアムヘッドホンガイド 2013 WINTER :: ActiBook
It's probably a really good thing I can't read that language. Otherwise I have a feeling gadget-lust would reach epic proportions.