One touch to change case color
From: Control panel--Lightbus
-Four-channel light controller with 5 lighting effects on each channel (on, off, sound control, HDD, fade in/out) enables 625 different combinations.
You can connect more than one light on one channel to make your PC more versatile.
-2 modes of light alternation between channels.
-Each channel has a knob to control the brightness of the light.
-Works as a fan controller withthe channels in the on mode.
-Super bright LEDs on the panel indicating each channel status
-Sound control knob can adjust the sound sensitivity.

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Is this thing cool or what? You will need some special equipment to make this work (cases, lighting, etc.).
Examples of what you need to build yourself a cool computer
And if you smoke you can get this too... :
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