To Amazon’s credit, they gave me a £20 gift card as compensation for my woe.

You and me both. Ah, well. Delayed gratification builds character, or so it’s said.

Sounds promising — thank you for your impressions.   My hope is to switch my current portable (winter) setup of Beyerdynamic DT 770 PRO Closed Studio Headphones - 250 Ohms and Epiphany Acoustics EHP-O2 (driven by an iPod Touch) with something a bit less fiddly.   What is your experience when...

Congratulations!   I, on the other hand, just received this from Amazon.co.uk:     Which is a bit of a disappointment as it was supposed to ship today.   All good things to those who wait, I suppose... (and my Schiit Gungnir is delayed as well).