I'm still trying out different shops and fitters, and so far, have stuck to those who fit by the old-fashioned way, visually while I ride my bike in a trainer. I still need the coaching that comes with that method of fitting. I've promised myself that next year, I'll try the local shop that has one of those body scanning things, just to see what that's like.
I went to a shop that had the body scanning system to determine bike fit earlier this year because I was having some problems with the bike. The fellow doing my fit was a long time employee of the shop and had been doing fittings for years. He put me on a trainer, watched me ride and asked lots of questions. I asked why he didn't use the scanning system and he said it couldn't ask me how it felt
BTW, the bike fit perfectly and it was the shoes and saddle that needed changing.
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Enjoy the little things in life, for one day you may look back and realize they were the big things.
-- Antonio Smith