Have you had any luck getting AIR to disable the high density scaling in Windows 8? I was under the impression that the Retina/hiDPI support only applied to mobile devices, but would love to be wrong.
I'm using AIR 14 (no flex), have requestedDisplayResolution set to high in initialWindow and -swf-version=25 in my compiler options. When I build an exe using adt -target bundle, it still appears as double-sized and stretched (& gross!) until I manually check "Disable display scaling on high DPI settings".