I'm using a Dell Inspiron 15.   I've had Sennheiser 429's before these and I didn't hear this huge difference in sound quality though. Could the DAC really give the PC's sound that much of a disadvantage that I didn't notice with my other headphones?   I'm particularly interested in...

I just got the ATH-PRO700MK2 and am messing around with equalizers and preamps. I have a Fiio E6 coming in but in the meantime I want to get the most out of these bad boys. On my iPod, the sound is great but I'm sure the amp will help push that further. However, on my laptop I cannot seem to...

Need some help choosing between some cans:   Ultrasone HFI-580 Ultrasone HFI-780 Audio Technica ATH-M50S Audio Technica ATH-PRO700MK2   I used the headphone buying guide to get this list. Some extra info:   Budget: Something along the lines of the ones I mentioned Source...