G-rig wrote:It would be a bit tempting to replace my MS-1 and HD-25 with a pair of these...
but buying and selling stuff doesn't work out the best..
I don't know if that would be a great idea. I don't believe that the K540 isolate enough in noisy environments (which is where the HD25 excels. The K540 that I tried barely isolated at all) and, personally, I prefer the sound of the HD25 (haven't tried the MS1), don't know about you, though.

You did say that you found the MS1 muffled, and the one thing I noticed when trying these was how muffled they sounded in comparison to the Pros.
Plus you'd have to stuff around trying to sell your stuff.
Still, I like the K540. Nice soundstage, separation, detail, but a bit bassy overall to me.