Power Usage Monitor for 20" Alu iMac

I'm looking for a free, reliable power use monitor that will tell me how many watts the computer is drawing at that moment, average power consumption, and any other bells and whistles that might be handy. Any suggestions would help. Thanks!

I'm not positive but I do not think there is any software that can report the power usage of your iMac. To my knowledge you need something that plugs inline with your power supply. The newest APC UPS systems have power meters built into them. There have been a few topics where people have plugged in a power meter and reported their iMacs power consumption. http://discussions.apple.com/thread.jspa?messageID=6160596&#6160596
George

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