I'll be purchasing three new 60" zeros in the next month or so. I need your help and your experiences with the DFI, EFI engines, in particular. I'm leaning towards all three being Turf Tigers. All of my previous mowers were Exmark or Toro and all had Kohler air cooled 23hp's and 27hp's. I've had good luck with those engines. But I'm thinking I want more power this time around with roughly the same gph or better. I was thinking of maybe two Kawasaki DFI 29hp's and one Briggs 35hp ('cause I need at least one true beast). But I've been checking around and I'm not hearing too many good things about the Kawasaki 29hp DFI L/C. It's making me nervous. So, now I'm thinking about going with the Kohler 31hp EFI L/C. What are your experiences, good or bad, with the Kaw 29 DFI or the Kohler 31 EFI? Also, there's a Kohler 29hp EFI but apparently, according to Scag website, that's a 10.5 mph machine. Thanks in advance.