That is what I'm talking about, bro. You want the dimmer style controller rather than the three-speed controller. Basically it amounts to a high power potentiometer (variable resistor) that sits in series with you fan(s). You can set your fans to any speed within the resistance curve. They are designed for use with the huge power hungry ceiling varieties, so you will have no problem with overheating. The problem with the three speed types is they depend on a high power (W) fan running, which is why you have to add resistance (bulb) to make the switch work. Your fans don't draw enough amperage to cause the resistance values of that 3way to affect your current appreciably. Really, try a dimmer variety, like this one:
http://www.homedepot.com/prel80/HDUS...ource=HOMEPAGE
It is designed for 5 amps (575W max power), so you won't be taxing it with your piddly 60W of fans. Keep in mind, though, that you will probably need to have all your fans on the loop, and you won't see much change until you're halfway toward off.