The Shure SRH series are very nice headphones. I have the middle model the 440.If you are looking for substantial improvement in comfort over the V6 its not worth it. The 440 are smaller in size than the 840 and also have smaller pads.

Do you get any "clamping" sensations wearing the MDR V6?

I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo.

-Max Payne