Here's a good summary of a recent industry report on some challenges and opportunities in the ID management sphere.
Any remaining problems with biometrics will no doubt be ironed out with time, as new technological developments emerge, and standards are developed for the technology However, the industry is more interested in the bigger picture, integrating biometrics into existing and new applications, not so much as a standalone one-size-fits-all security technology, but as enhanced solutions to existing and new challenges.