Mikhailtech take a look at Zippy’s EL-610 mini backlit keyboard.

There are no drivers and no installation issues. WinXP Pro detected the keyboard as a USB HID (human interface device). The light can be turned on and off at will so long as the PC has power. So far I've experienced no problems whatsoever. If you get very close to the keyboard (as in place your ear on the keys) you'll hear a slight whine, similar to that caused by inverters on lightstrips and older CCFLs, which leads me to believe that the illumination is probably of the former nature. Heat production is unnoticeable.

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