Kinesis Function Key Bindings
Check this question on SuperUser: https://superuser.com/questions/403493/kinesis-advantage-os-x-media-keys

Have you noticed sluggishness/hanging using the Advantage in Lion?  I've had issues with the shift key sticking (not physically, but it's like CAPS LOCK is on until I hit shift again), and delete key taking multiple presses to work, and other weirdness.