Ive been searching all the sites that sell impact sprinklers for one specific item: an all metal pop up impact sprinkler. Why? Well, when I was a kid, my dad had them. I believe he got them from a golf course. By far the biggest reason I want one is the satisfying 'wsssh WACK wssh WACK' sound they make. I dont care if my lawn is brown and dead as long as my sprinkers sound good [8D] Plus, all the crapy plastic pop up sprinklers ive had in my life just give me grief. A nice big hunk of metal will...