[Chris Fultz]

Lots of Storage - depending on your system needs, you might not need to have the compressor on board. you can charge the system before the match. this can be a significant weight savings.

another benefit is that even if you do have the compressor on board, it might not need to run very often. this conserves your power.

Little storage - you save the weght of the reserviors. the negative is that your compressor may run several times during the match, using a lot of electrical power.

The decision depends on your pneumatic needs. If all you are doing is shifting transmissions, then a large reservoir may allow you to shift several times without needing a compressor on board.