If you're waiting to hear about the iPhone 2.0 software, this is the place to be. One of the first new features will be contact search with live searching. Hit the jump for a larger list of applications.
One of the biggest additions is iWork support, MS Office document support which includes Word, Excel and PowerPoint. Next you'll finally be able to move and delete messages in bulk, which is something I know I've been looking forward to. You'll also be able to download images that are sent to you.
Other apps include a new calculator which will switch to scientific mode when the iPhone is rotated. You'll also see parental controls and excellent language support.
Look for the iPhone 2.0 firmware to hit in July sometime. iPhone users will be able to download this for free, however iPod Touch owners will need to pony up $9.99 for the update.