I would go with Yuin pk3’s.
http://www.head-direct.com/product\_detail.php?p=5
Also reading here may be helpful
http://www.head-fi.org/forums/f103/yuin-pk3-appreciation-thread-237063/index25.html
Thats what I came up with.You can also browse the head-fi site for the sennheiser’s tho if you like.