[VoodooSamurai]

I am looking for Ultrasone, one of the 'edition' brands. Which is the best value? Which has the best bass and isolation?

 

[KG Jag]

Those cans are all well over $1,000 and are all generally considered to be over priced.  Any discussion about them will be found in the Summit-Fi sub section of this forum.
 
See also:
 
http://www.head-fi.org/t/634201/battle-of-the-flagships-58-headphones-compared-update-audeze-lcd-2-revision-2-6-4-13#user_EDITION8