"The Alliance survey was conducted July 18-25, 2007, less than a month after the iPhone’s release – and the findings are good news for Steve Jobs and company.
Better than three-in-four (77%) owners report they are Very Satisfied with their Apple iPhone and another 15% say they are Somewhat Satisfied, for a combined 92% Satisfaction Rating – the best we’ve seen for a cellular phone device."
http://ce.seekingalpha.com/article/44709