The headband on my HD650 snapped in half after five years of use. Would it be worth it to send it to Sennheiser to get it repaired?   Does the Flat-rate repair of $155.00 cover all the damages to my headphones? Will I have to pay more for other things such as a bent cup, chipped paint, etc...

Where can I purchase a good USB to Optical Adapter online? My current setup is laptop -> E-MU 0404 -> LD2++ -> Headphones. When my laptop has the power cord plugged in, the LD2++ is too noisy and makes beeping noises. If I go through the optical ports on the E-MU 0404 will it make the...