So it turns out that Logitech had made some pretty significant changes to their LCD SDK in order to accomodate people with multiple displays, G19 QVGA screens, etc, and the .NET wrapper class I was using hasn’t been updated to take that into account.  I did a little digging, found an updated .NET wrapper, and got to work last night.  As of this morning, I’m outputting and animating on the LCD again, and reading the four buttons under the LCD successfully.

Of course, none of that has anything to do with interfacing with City of Heroes, but I wanted to get the hardware aspects over with first.  On the upside, writing to the LCD is taking significantly less memory and CPU time than it did in the old v1.8 series CoHLCD, and I believe even better than the optimized code I had in v2.0 Beta.  I’m sure it’ll chew up more memory once it starts polling City of Heroes, but at least the CPU time is almost negligible now.