KineticTurtle via his blog:
http://kineticturtle.blogspot.com.au/20 meboy.htmlThis helps a lot. It seems the hum is heard through the speaker / headphone jack and not directly from the backlight. I'm gonna get one as soon as they're available and do some tests.
Glad this was helpful - make sure you see the re-edit about pulling power directly from the power supply pcb - it makes a HUGE difference.