It's great. I prefer analog controllers (such as mine). I keep everything on low (all my fans are high-flow anyways, so low isn't "non-existent" or anything). Then when I game, I crank everything up.
I've got my CPU on the first, my GPU (aftermarket Zalman cooler) on the second, my front intake on the third, and my 3 - 80mm case fans wired together into the fourth. My UV CCFLs are on the 1st 5v/off/12v switch, and my purple CCFLs on the second switch.