If you are completely switching over to the iPhone, list your current phone, and what you're giving up and gaining.
Current Phone: Cingular/HTC 8525
Giving Up
3G
MS Office Mobile **ouch**
MS Live Maps
Slide out keyboard
Voice dialing
Video camera
MMS
Gaining
A better web surfing experience when connected via wi-fi
The ability to see full images in email
Google Maps with better functionality on the iPhone
The ability to sync seamlessly with my Mac...finally!!!
Current Phone: Cingular/HTC 8525
Giving Up
3G
MS Office Mobile **ouch**
MS Live Maps
Slide out keyboard
Voice dialing
Video camera
MMS
Gaining
A better web surfing experience when connected via wi-fi
The ability to see full images in email
Google Maps with better functionality on the iPhone
The ability to sync seamlessly with my Mac...finally!!!