People are clamoring on the iPhone buzz to get developers using their products for iPhone development.
Two early IDE folk are Morfik and Aptana:
Aptana iPhone Support
We’ve released the first beta of our iPhone Development Plugin for the Aptana IDE. Since ‘Web 2.0’ is the development model of choice for the iPhone, and that is what the Aptana IDE is all about, it made sense that we’d support it in every way we could. For this first beta, here are the features we have (and some that are coming):
read it here ajaxian