At Macworld, one of the speciality programs was a lecture series called iPhone Supersession given by Ben Long and Christopher Breen.
The iPhone Supersession takes you way beyond the basics, exploring areas including converting the media you own to an iPhone compatible format, contact and event organization, the best of Web-based iPhone applications and accessories, and power management. Need more? We’ll explore popular (and not so popular) hacks for turning your iPhone into a portable entertainment and information powerhouse.

read it here macrumors