Wirelessly posted (iPhone 3G: Mozilla/5.0 (iPhone; CPU iPhone OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B179 Safari/7534.48.3)
In my opinion, the DL NC headset is a bit hard on the ears. The QC15s are far softer, thus worth carrying.