The datum transformation warning is singularly unenlightening it it's lack of information and can benefit from some tweaking. The base massage of:

Should be extended include the feature that generated the error. Sorry, my graphic arts skills are not that good so I can't mark up an exhibit. Between the Transformation Warning header and the details I would like to see something like:
Transformation Warning
Feature: {featurename}
Details expansion1
{featurname} is using:
{featureprojection} with
{featuredatumtransformation}
{map} is using:
{mapprojection}
Details expansion2
The esri help text
Respectfully,
Tom