I think people will defend their purchase decisions as validation that they are "correct" and that tends to matter as much as the sonic performance of the device. I own a Mjolnir and while I think it sounds very nice with the LCD3s, I am really curious about the Odyssey Cyclops amp and most especially paired with the MSB dac. Unfortunately there was other things that needed immediate attention so it will be a while till I can get a Cyclops amp and will try it with the Gungnir dac to start with. Until then I would never claim the amp I have is the best there is only that it sounds pretty good and was a good start to enter the world of headphone musical reproduction. If I am going to spend a fairly substantial sum for an amp I would like for it to be able to drive some speakers also.
I don't think you'll need to spend MSB-scale money to appreciate the Cyclops (or Khartago if you don't need volume control). In fact, for those kind of bucks (nearly $50K for the top of the line MSB diamond model with all of the upgrades) I would look very hard for the perfect amplification match, ignoring cost completely, since there's absolutely no point in compromising on the amp if the rest of the chain costs as much as a luxury car. I heard a huge difference between the MJ and Cyclops using a $200 Emotiva DAC. I am anxious to hear how good it will sound with the DAC's available for about 10-12X what I paid for the Emo, but that will have to wait until next summer, when I hope to have recovered from multiple large expenses that I am being forced to absorb this fall.