Neat! I have A55 as well, I wish I had the time to port rockbox to it. I like Sony OS, but having the thing re-scan my library on each reboot gets old quickly
Oh man, this is exciting! Running Mr Walkman FW on my NW-A45, so looks like I should be good to go.
Since you did reverse engineering and checked the internals, have you found the cause of the high power draw in suspend? (device on, screen off, wireless off, not playing anything)
I haven't checked, but I would suspect either the USB port of the internal DAC are left powered on
I don't have one of these, so I can't try, but very cool!
Seeing that Winamp skin screenshot was especially interesting to me, because I'd assume Winamp is itself a digital representation of an audio player— an abstract standalone device, turned digital, again, in a way, turned standalone, haha.