Thanks for the replies.
After lots of research I've come to the conclusion that people love their Flows, but hate that they break all the time. This is definitely a common complaint. According to the majority of Flow users, the craftsmanship and durability of the bindings is lacking.
Seems to me that the convenience of saving 20 seconds at the top of the hill is not worth giving up the piece of mind of knowing your bindings will hold up to the bottom of the hill.