Thanks for posting this, Dennis. I've been looking at this item for a while. Harbor Freight has them for $30, but the newegg.com price beats this by a mile. By the way, the Kill-A-Watt is discussed on page 11 of the March 2009 issue of Consumer Reports, and they liked it.
Two 1953 Cubs, 1948 Cub, 22 mower, 10A disc, 144 cultivators, 189 plow, 54A blade, Johnny Bucket
1968 Cub Cadet 124, Cub Cadet 129 and Cub Cadet 782, mower decks, rototillers, front blades