What if you replaced all cones with rods?

[Flyndaran]

Originally Posted by malloyd

Actually not. Acute Vision adds to your Sense rolls. Night Vision *negates penalties*. This is an important difference, Acute Vision doesn't do anything to reduce the penalties you suffer for combat in low light, Night Vision does. If your GM ever applies penalties for doing something in bad light, as many levels of Night Vision as he'll let you buy is almost a no brainer.

That is a very easily missed fact. I kept forgetting it so many times over the years.