Came across these that looked very interesting.
http://www.head-fi.org/t/732029/mo-fi-headphones-from-blue-microphones-multi-link-amplified-headphone-goodness-head-fi-tv
http://www.head-fi.org/t/732029/mo-fi-headphones-from-blue-microphones-multi-link-amplified-headphone-goodness-head-fi-tv