The kinesis advantage (now Advantage2 LF) has been my mainstay keyboard over the last 20 years, both professionally and personally. I too adhered a trackpad, although mine is an Ergo Mini touchpad:
https://ergonomictouchpad.com/ergonomic_touchpad.php
I immediately bypassed the aesthetics side of MK and went straight to functionality; the kinesis has probably been the most reliable piece of hardware I've had over the years (with the exception of a key-repeating known issue that has been resolved with the advantage2)
I immediately bypassed the aesthetics side of MK and went straight to functionality; the kinesis has probably been the most reliable piece of hardware I've had over the years (with the exception of a key-repeating known issue that has been resolved with the advantage2)