RevitToday has a couple of free utilities for Revit 2011 posted on his blog:
This extension for Revit 2011 exports all coordinates of Point Based Generic Models to an Excel file.
You can locate Point Based Generic Models in your whole model. You are able to nest such a Family within another. These points are exported as well when you make this family Shared.
Insert Revit Families using a XYZ text file
This Revit extension reads a TXT file in which the coordinates are seperated with a semi-colons and inserts on these coordinate a selected Revit family.
See the RevitToday blog site for the downloads.