The Audeze LCD-X Headphones - Demo from Audio Advisor for $1,529:
http://www.audioadvisor.com/Audeze-LCD-X-Headphones/productinfo/1AZLCDX/#.UzxYR1fDUU8
The Focal Spirit Pro Headphones - Demo from Audio Advisor for $307:
http://www.audioadvisor.com/Focal-Spirit-Pro-Headphones/productinfo/1JMSPIRPRO/#.UzxZNlfDUU8
http://www.audioadvisor.com/Audeze-LCD-X-Headphones/productinfo/1AZLCDX/#.UzxYR1fDUU8
The Focal Spirit Pro Headphones - Demo from Audio Advisor for $307:
http://www.audioadvisor.com/Focal-Spirit-Pro-Headphones/productinfo/1JMSPIRPRO/#.UzxZNlfDUU8