I've been interested in the Shure closed dynamics for a while, but was looking more into the 440 because the 840 was a little out of my price range. Head-Fi says that they're generally great for the money, and do a good job of competing with the current "champions" of the $100/200 budget/mid-fi range - Denon D1001s, Audio-Technica M50s (which are considered slightly better, I think), and the old favorites, beyer DT770, Sony V6, etc etc. I wish 8th Street Music was still downtown, because I really wanted to go there and try a bunch of headphones out.