I like to compare them with sennheiser IE800...

Well I sold my x5iii since i like to upgrade, and i am going to listen now the M11 to see if that sounds fine for my taste, and with the sennheiser IE800 i have...

     

Welcome, I really enjoy them now, and I save on the side the smaller drivers of the sennheiser, which I plan to place inside my motorcycle helmet.... Also now anything happens I am not depended on Sony or ebay.... I can easily remove the precious Sony drivers and put them in another headset...

Ok I manage to upload some for you here:   http://spirolondon.imgur.com

It says here my account don't have permissions... for pictures  but you can email me here spirolondon@gmail.com, and I will be happy to send you some photos of what i did

Well actually I have the 77, but they deteriorate over the Years, so I decided that the best way forward is not to continue with the egg shell, but make them more modern and light, so the other day I made a transplant, I had some cheap sennheiser HD218, so I open them and remove the insides...