I'm not saying that topdressing is not worth it. I have done some by hand, and love the results. All I am saying is some (not all) of those machines are grossly overpriced.
I will pay a fair price for a good value. Not too many good values in the topdresser line right now, though.
7x14 Stealth SE Enclosed with 48" side ramp
08 Toro Z400 48" deck, 21HP Kaw with EZ Vac twin bag
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.