If you read the Service Pack 2 Readme file, you may have noticed the following section.
Important: The following standard template files (*.dwt) have been recreated due to issues found with Pipe Network Parts Lists. Some Network parts lists may be corrupt if you use .dwt files from the Autodesk Civil 3D 2007 release. The new template files will be posted at http://civilcommunity.autodesk.com/.
Well, it turns out that the templates were fine all along and Autodesk will not be posting new templates. Dan Philbrick, Autodesk Civil 3D Development Manager, stated in the Civil 3D discussion group the following:
"We thought we had an issue with the templates and decided to put a note in the readme. However, we did not want to release new templates unless we really thought it was necessary. Upon further research we found that the existing templates are fine - no need for new templates."
I hope this clarifies some confusion.