Team of Wild Horses has her running a charitable organization/company.
Aftermath of course has her doing something charitable after being convicted of a crime but thats only mentioned very briefly.
Exact Change has her become a martial artist and changes her entire personality around.
SRU Nerima Chronicles has a couple different fates for her.
Innocence of Mine deals with her changing her life in a forced fashion. Pretty good story, maybe not one you've seen...
Living the Martial Way has a Nabiki in name only character that is nothing like her cannon portrayal if thats what you want to see.
The Reborn Nabki the Senshi...You've probably read it, still a nice look at Nabiki with a drive and passion for something other then money could be.
Can't Go Home Again a bit OOC but a cute story.
Dragon's Destiny her personality changes rather rapidly there.
A Different Curse has Nabiki change rather rapidly as well.
Fugue a interesting look at why she acts the way she does...Kind of fits.
I know of some more but I'd have to dig through my Calibre library list and I think I've linked a few that you haven't seen...Maybe?