Decided to take the bike out to a local park that had no light sources. I'm actually amazed at how hard it actually is finding a place with no lights, even out in the middle of nowhere that I supposedly live in.

Just the Cygolite Expilion 400:


Just the Cygolite TridenX 750 (3 LED):


Both lights side by side (400 on left, 750 on right; note how the 400 is brighter at a single point, but the 750 throws much more light further and wider. This is why I went with a combination of two types of lights):


Both lights aimed at the same thing:


I had complete confidence biking through a completely pitch black park with crappy roads.