Family Loader Pro for Revit 2012 version is online. With this app, you don't need to care about the complex folder structure of the families any more, and you could be able to search and use revit family in a much better way. Don't wait, try to get one from: RevitApp download.
PS: please choose the correct version based on your OS. 32bit system please install FamilyLoaderProSetup2012x86.msi; 64bit system please install FamilyLoaderProSetup2012x64.msi.