Bose via eBay offers its Bose QuietComfort 3 Acoustic Noise-Cancelling On-Ear Headphones, bundled with a $20 eBay Gift Card, for $139.95 with free shipping. Assuming you'll use the gift card, that's $130 off list and the lowest price we could find. They feature interchangeable adapters, inline remote for Apple devices, fold-flat earcups, and 25 hours of noise-cancelling on a full charge.