Clean Out Roof Gutters - The Looj gutter cleaning robot by IRobot Company (http://store.irobot.com/product/index.jsp?productId=2874296) propels itself forwards and backwards in the gutter flipping any accumulated debris down to the ground.  Priced at $170, the Looj can clean the nastiest of gutters quicker than any human. IRobot claims that the Looj can clean a 60 foot length of standard home gutter in less than 10 minutes!  Beats moving a ladder around.