The Sennheisers get my vote. Especially for the price. Had mine about 5 years and never really thought of buying anything else. My flying buddy tends to prefer using them over his DC,s for jaunts in our Chippy etc.
On the down side clamping forces can be a bit high making for some discomfort if you are wearing sunglasses etc with reasonably thick side arms.
They have the added benefit though, of being able to fold inside of the headband so two headsets take up very little space in the flight bag.