So.... I managed to dump a beer into my APC40. Don't do that. While I was shopping for a replacement, I happened across an APC Key25 which looked like exactly what I was looking for. The APC40 is great, but it's a little bit TOO big to fit in a backpack. This has the 40 button grid and a nice clean control interface. I'm currently working up a Pangoscript control script, I'll post it here when it's working right.