I have an almost-brand-new Noppoo w/ browns, and a Filco in which I put some used clears from a Cherry POS board. I also have a POS board w/ browns. the bump does seem to be less noticeable as the switches wear, as I find there to be a noticeable difference between the Noppoo and the Cherry browns POS board. That said, the clears still have a noticeably more distinct bump, even though they're used. Compared to the brand new browns though, I would say that the browns are something like 60-70%, so I like the clears better, even disregarding that I prefer the stiffer springs as well.
I've never had the opportunity to try brand new clears, although I'm wondering if perhaps I shouldn't have just sucked it up and spent the money to buy them rather than swapping in used switches.