Today Apple released a new version of the iPhone SDK to registered devolopers.

There’s 1 cool neat feature, that is really worth the download.

The Interface Builder.(screens later)

The interface builder promises to be a very smooth way to create your own user interfaces by using drag and drop.

Apple’s servers are being overloaded right now, so it might be better to hold off until tomorrow if you have the luck to be a registered developper.