Piper Jaffray analysts believe the iPhone could very well be selling 45 million units in 2009...
I think Steve Jobs had said that their target for 2008 was atleast 10 million sold, which would grab them atleast 1% market share of the almost 1 billion cellphones sold anually so I could see them quadrupling that by 2009. I think it'll be one of those things: either goes their way or it flops.