So let's say you put those JVC HA-S600's on without any music playing; what type of isolation does it provide? Do you happen to have the Sennhesier HD 280 Pro's in your collection? If so, how would the isolation of those two compare to one another? Thanks for the suggestion too, I really...

First off, I want to apologize for making this topic. I've tried searching the forums and gather some opinions, but I feel like I have some very direct questions, so I'm going to make a new topic...   Background Information   I work in (what I consider to be) an extremely loud office...