Oh alright, thanks for the reply. So sound-wise the HD598 and PC373D should be about the same? Also, is there any reason in particular as to why you’d go for the AD900X over the Sennheiser headphones?

Context: Having just been introduced to the world of audiophiles, I spent days doing research on pretty much everything I might need to know. Now I am by no means an audiophile; not yet anyway. But I do appreciate good sound, and I'd like to start experimenting with audiophile grade audio and...