Ditch the repair limpets. They take up two slots (controller & cargo) and you will rarely need them if you have shields.
AFMU is the way to go, particularly if you're into neutron jumps.
If you end up with a spare slot, I recommend you try a Supercruise Assist - they are great for orbiting planets for photos, and for keeping you from hugging the primary star when you're busy watching TV...