Simulating PDA browser behavior and output

I'm working on a website that will eventually have a version that is optimized for mobile devices.

开发者_JAVA百科Is there a decent way / method / place where I can simulate or emulate a wide variety of the available browsers and screens for the various mobile devices?

I would really like to try and capture as large of a group as possible, including the iPhone, various Blackberry devices, and some of the Windows Mobile devices.

Any suggestions for sites / software that I could give a go?

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Have a look at this question.