The organizations honored as Best Places to Work are vastly different in many ways, but they tend to share an ability to keep their most productive people on board. While there's never a good time to neglect retention, doing so now may prove to be especially costly. With economic conditions beginning to improve, some organizations are looking to increase staffing levels. And as job opportunities proliferate, IT professionals will be more likely to consider moving to a new employer. Businesses that don't address this looming challenge will find themselves at a competitive disadvantage.