Although it is vastly superior (in my opinion) to other mobile browsers, the iPhone web experience is obviously quite different to browsing on a computer.
Which is why optimising your site for the iPhone is definitely something to think about when creating a new site.
Smashing Magazine has recently compiled a list of iPhone optimised sites. It's a great showcase I think.
They've also put together a comprehensive list of tools and resources to help you create the perfect iPhone site.
Click here and go get inspired.