Fiddler,

Did you check out these guys Headphone.com?

Also look at Burson Audio.

Though quite honestly , there are now millions of headphone amps out there these days , from eBay $50 items to tube amps costing thousands , but the problem is to find one that works well with your cans without buying and returning one million times smile

Relaxing room 1: Vizio P65, Oppo 203, Emotiva XMC-1, Beolab 5.3 speakers.
And a big headache getting it all to play together.

Relaxing room 2: Beocenter 2, Beolab 2.1 speakers.

Music room: Apogee recording with Nuemann, Dynaudio and Meridian speakers.
And a big headache getting it all to play together.