P3 Kill A Watt EZ Power Meter (P4460)
$49.99 from Ace Hardware
Kill-A-Watt Power Strip
$79.99 from Kotulas.com
P3 International Kill A Watt Electricity Usage ...
$49.99 from NorthernTool.com
P3 Kill A Watt Power Meter (P4400)
$31.99 from Ace Hardware