what did you feel was wrong with the denons? they will only really be used off the pc for gaming and a bit of background music
if your having volume issues get one of these
FiiO E5 Portable Clip-On Headphone Amplifier/Amp w/ USB Rechargeable Battery
Had mine for few years, no problems, allows to increase volume without having to boost all settings on your chosen music player device, great considering that most manufacturers are having to limit volume output levels due to H&S regulations
Picked up a pair of Creative Aurvana Lives. Sound quality is very good and they're very light. Ideal for long stints at the PC.
They're a nice just over the ear fit. They're bigger than Sennheiser PC 15x/16x and quite a bit smaller and lighter than my previous Sony XB500's.
The cabling being a little thin and rubbery is my only complaint.