Gardeners: Do you own a Cyclone Rake? I'm thinking of buying a Cyclone Rake. If so, which model do...

I'm thinking of buying a Cyclone Rake. If so, which model do you have? Which one do you recommend? What do you like/dislike about it? Is it worth the money? http://www.cyclonerake.com/sem/ For the transcript.. I own 9 acres. I am a hobbyist gardener/landscaper and have several gardens on my property. I have several trees also.
Thank you, contained by advance.
Would you similar to to see farmers replace...
Answers:    my son got something resembling this to handle his oak leaves and acorns. it's too loud to use in a neighborhood .. you'd be okay on your nine acres, I'd deliberate...