After thinking about upgrading my Gustard stack with their new DAC and someday balanced amp, looking at DAPs, the Ayre Codex, Woo WA8.... basically all over the map, I have decided I want a simple, small footprint, high performance all in one that is close enough to end game for me to stay with...

I can't remember for certain... but I thought I have seen posts where folks comment on some open headphones that for some reason don't seem to leak sound out as much as others.  Does anyone have any thoughts on this?  I am looking for some open headphones to add to my closed headphones at work...