When I saw the title I thought you were going to say something about Morgan Freeman (I'd just read something about how he uses his "voice of God" in ads) and I thought that was kind of interesting -- Morgan Freeman, James Earl Jones, Dennis Haysbert, all African-American voices of authority in television commercials.
And, as a benefit, they speak our language.
Off shore speakers cannot use their own lingo to sell us anything, we only understand about half of what they say.
Would love to actually hear some of this.
even the brits make note of their own accent, on The Scott Mills Show BBC Radio 1, he has the PR4L read listeners e-mail
Kathy Clugston the PR4L (Posh Radio4 Lady) is a newsreader and continuity announcer on BBC Radio 4 and the BBC World Service
Clugston is also the Female Irish voice on Tom Tom Sat nav's.