I need advice. I am hoping to expand a little this fall by pushing aeration with some heavy advertising. I want to be ready with the right equipment. For the past 7 or 8 years I have been making do by renting a Bluebird, and I also own a low end tow-behind aerator that I pull with a ZTR. I'm done with renting, and the tow behind is about ruined. The properties around here tend to be hilly, and there are often rocks just below the surface. Pretty rough on the aerator tines. I have been doing about 4 or 5 per day max working solo. So I am trying to find a machine that can allow me to knock out 8 or 10 per day, without killing myself (I'm 47). Some of the options I have seen: -The LT Rich Z Plug (the spreader option is interesting) -The Ride-on Aerator by Lawn Solutions -Turfco TurnAer with the sulky. -Classen Stand Aer Can anyone give me any advice? Anyone have any experience with these machines?