Klipsch X10 with the dual flange gels. These isolate dangerously well (like your in a bubble)
Ive only had the X5s which I believe aint as warm as the x10s, but the isolation should be the same as the X10 which was excellent....
There is a way around capping by putting in a region setting or of cause by having the option in the service menu, but Sony is too either too STUBBORN or STUPID.
There are still some A828s and A829s around in FS and Ebay
Ive got a similar set of Daps, except i have a walkman A828 too.
My clip+ rockboxed doesnt get much use anymore.
I use the A828 for portability and great UI.
I use 2G Touch with app "equalizer" when I can sit and just...