Agreed. Especially with Batrider "B" and Bakraid "Unlimited" they are small bug fixes that 99% of the collectors owning the boards are never going to be affected by in their time owning it. It looks shiny being the final revision and thus fetches more. With prices the way they are I would be actively seeking out these "inferior" versions these days. Saved about 1000EUR picking up a non-unlimited Bakraid last year.Lucky me, we mostly have Japanese or Asia versions here.
Actually Asia versions are overlooked by westerners IMO and should be considered the "best" versions since they're often identical to the Japanese versions in terms of difficulty and features with the added bonus of English texts.