Dropping support for older browsers shows why Google Apps will continue to struggle against Microsoft products for government contracts such as was the case recently in San Francisco. Large organizations get locked into legacy OS's for many reasons - example government agencies who bought and rely on geospatial data in Autodesk Mapguide format. http://en.wikipedia.org/wiki/Mapguide http://usa.autodesk.com/adsk/servle…
Personally I was hoping that they would remove the support from the search site, which may yet happen.