The MT220 is still my favorite non-electrostatic headphone, even compared to the ones that cost thousands!

That cool to hear! I had never even heard of it before (probably drown in AT-M50/V-MODA hype and over-praise) until I sold my HE-400's to a head-fi'er who recommended them SOLELY off their glowing reviews.
 
After being in the game so long, I wasn't really sold as these being the "diamond in the rough" but they truly are. I think they are actually worth their $200-250 asking price most places; just that good.

you say comfort&weight are pros of MT220, it is interesting since they weigh 430 grams. Weight and the lack of proper isolation was why I got rid of them..

So happy that you are enjoying them! As I am with the 400's!

@Sadkmf Do you mean they are too heavy or light? I am kind of used to heavier cans, I felt that these were really light. I still don't quite understand the isolation complaint though. Care to enlighten me?