I currently own a pair of Sennheiser HD 598's which I connect to the Xonar DGX (Which is a PCI-E variant of the Xonar DG for anybody who doesn't know). I'm wondering if there would be a noticeable difference if I'd upgrade to an external DAC/Amp combo like a FiiO E10K? Suggestions are welcome...

I mainly listen to Symphonic and Power Metal music and I'm considering these two. I mainly listen to bands like Epica and Kamelot, their song have many instruments in them and very powerful vocals, so hearing those things as pleasantly as possible is a priority to me. So for my taste which would...

What do you guys think is best? I'm new to the audiophile world, been saving up some money on buying headphones. I am in a debate about these 4 choices. I want the sound to be as flat, accurate and detailed as possible. I have an ASUS Xonar DGX sound card which has a pretty decent amp so I can...