I run the XT5 and I like it. Being able to back up and turn with the tines in the ground is a plus. However the machine is still work, you will still work up a lather. I would say effort is 25% less than a Ryan type old fashioned aerator. You also pick up some efficiency with a hydro unit as well.
7x14 Stealth SE Enclosed with 48" side ramp
08 Toro Z400 - 48" deck, 21HP Kaw
09 Exmark Turf Tracer HP 36"
21" Toro SR4 Super Recycler
Stihl KM90 Kombi w/ straight shaft trimmer & tiller heads
Husqvarna 125B Blower
Turfco XT5 Aerator
Turfco LS-22 Overseeder
I can do all things through Him who gives me strength.