Sounds nice and custom
No idea what use being able to tweak the motor + reset lines is...
I installed 3 switches on my A2000:
1. Swapping KS1.3 + KS3.1
2. Turning HD booting on + off
3. Turning AR3 on + off (Can't boot 3.1 with AR3 enabled)
Oh and I installed an NMI button for HrtMon & coding