Currently Being ModeratedSep 9, 2013 7:34 AM (in response to tnnorman)
Here is an article that covers how to get varying types of media from your iPhone back to your computer:
Currently Being ModeratedSep 9, 2013 8:05 AM (in response to tnnorman)
To transfer all the media (including non-iTunes purchases) on your iPhone back to the computer, see this -> Recovering your iTunes library from your iPod or iOS device.
You did now make & maintain a backup of you hard drive, correct?