See, I don't agree with this at ALL- they're all just instrument, regardless of initial price. They aren't multi-million dollar storied pieces of art...they're meant to go on a gig with you.
For whatever reason, I know a lot of musicians who defretted their basses in the 90's and early 2000's, and all of the guys who defretted Foderas were completely unhappy. Maybe it's just my experience, but most Foderas are voiced really well for fretted playing, and the great sounding fretless basses they've made have been a little out of their standard specs for their fretted basses.
I've played two really, REALLY great fretless Foderas: one was a copy of Marcus' Emperor with the Bart J's, and it sounds great. The other was one of my favorite basses of all time- a wenge-necked, bubinga bodied Monarch with an ebony board and Bartolinis. It sounded amazing, even though I probably would've fretted it anyway. Both specs were pretty out of the norm for Fodera.
I've played a number that were just awful as fretless basses. The worst had Duncans, which I like otherwise. They were just terrible. The ones with the Lanes were pretty bad, the Aeros were ok, and the Barts were alright. Woods used didn't seem to matter as much. I've never tried one with EMGs.
It's just my experience of course, but they were pretty clearly categorized by what pickups it had.