The basic part of the design was engineering the bullet so that it was segmented and peeled back in a flower-shape. Maybe if they had called "Pretty Sunflower" instead of Black Talon they wouldn't have gotten so much bad press with it. The bullets do look pretty and symetrical when they are recovered.
Well anyway, Winchester has taken that design component and done a lot with it. They've utilized it on several new rounds in different weights. Remington Golden Sabre does something similar -spiral cut of the nose jacket. They do look different than the Winchesters after they've expanded
My thoughts are that in 9mm you want something to penetrate 14" or close to it and expand to .600 cal or greater.
Some ballistic results - plain gelatin:
MFG Make wgt Penetration Dia
Remington Golden Sabre 147 14.5 0.620
Winchester Ranger T +P 124 12.2 0.700
Winchester Ranger T +P+ 127 12.3 0.640
Winchester Ranger T 147 13.9 0.650
Winchester Bonded 147 14.7 0.620
Winchester +P Bonded 124 12.6 0.680
CORBON DPX 115 14.5 0.538
These all look like they'd be effective SD rounds. The Golden Sabre 147, Winchester Ranger T 147 and Bonded 147gr all look like they'd consistently be very effective.
http://www.winchester.com/SiteCollectionDocuments/flash-SWFs/law_bullit.swf
