Similar to the find and replace functionality in MS Word and MS Excel this would be a good tool for finding files in not only the vault, but also in factory files as well.
This suggestions is to further the idea link posted below
http://208.74.205.69/t5/Autodesk-Vault-IdeaStation/iPart-and-iAssembly-rename-support/idi-p/3755983
and based on this thread.
http://forums.autodesk.com/t5/Autodesk-Inventor/iLogic-Gooroos-Need-a-help-Writing-one-for-Part-Rena...