I just got my dream bass, a sadowsky NYC 24-fret 5 string a few months ago. I had Roger put in the standard jazz PU's in the normal space beacuse i love the darker tone they get there, the only problem is the PU's are so close to the fingerboard i have hard time using my thumb for slapping. I was just thinking last night: what if the the bass side of the fingerboard was removed and filed down into a tapered shape, maybe leaving half frets on the g and d string but losing 2-3 frets on the bass side? Since most of my thumb playing is on the lower three strings anyway, and there's pleny of room for popping on the the top two strings as is? The surine basses are a bit like that. I was also thinking of mike pope's fodera, which i think has a removable piece of fingerboard for similar purposes. Any thoughts? I hope my description makes sense.