Thanks for the replies.  I think my best bet is to find a place to try a few of these sets on.  Portability is important, since I'd want to take them out to the library.  After seeing the Shure 440's, I definitely need smaller headphones, perhaps Senn 25-1 would also work if I can find  them...

I need some advice to replace the my first pair of closed headphones that I just bought.  After reading these forums for hours, I decided to try my luck with Shure SRH440.  I wasn't blown away with the sound by the way, but I can only compare them to my Sennheiser HD238, which are really good I...