Kill-A-Watt Electricity Load Meter for $15 plus $2 shipping ($17).
Plug it into a power outlet, and it will meter and monitor the power usage.
People have used it to check the power consumption of their computers, electronics, clocks, coffeemakers, and other devices, to discover what to unplug or turn off to save money.
- Acer 27" LED-backlit LCD Computer Monitor for $170
Acer G6-series (G276HLGbd) 27-inch LED-backlit LCD 6ms Computer Monitor for $170 today.
It usually sells for around $200.
It has VGA and DVI inputs, includes VGA and DVI cables, weighs 11 pounds, and includes a 3-year warranty.