What are some of your opinions of alternative headphones to the Sennheiser HD-800S? I’m looking for a replacement to the pair. I’m not keen on the comfort; the HD-600’s are supremely more comfortable but the HD-800S’s have another layer of dynamics to the sound that I’d like to retain. I’d prefer they pair with the Bottlehead Crackatwoa tube amp, but it’s not critical. The LTA MZ2 paired very well with the HD-800S and works with all impedances. In yearly roundup reviews it appears that the HD-800S have collapsed from top marks, losing to Focal and MrSpeakers for better detail, comfort and price.