Alrighty then. Just got a Hercules mp3 e2 in the mail, (extremely late Christmas present as it were), and I'm trying to get it to work with Mixxx. When I plug it in and get everything going (drivers installed, Hercules software running, the default Hercules mp3 e2 scripts/layout/etc selected), everything works extremely well; quite pleased. Unfortunately, it seems to stop functioning altogether; the lights stay on but any input from the controller is not recognized by Mixxx. I -THINK- the problem is caused somewhere in the scripts, or rather a combination of my crappy desktop and the scripts.
I've tried the same thing on my laptop (same Windows 7 x64) and the problem doesn't present itself. I'm reinstalling my drivers on my desktop to see if it resolves the problem.