GA guys with 500+ hours haven't had the magical RNZAF training, you know, all that highly valuable Airtrainer time.
Allow me to play devils avocado (sorry, thats the quaint NZ backwater part of me coming out) for a moment, but GA guys probably dont have 150hrs on King Airs either.
If you think the pilots or ALPA for that matter are not watching this VERY close then you "Dont know better"
mattyj & Remoak - Better than free, they are probably making money on them.
ZKSUJ - What have you got to lose?