If you're planning on getting an iPad, which existing iPhone apps do you really want their developers to port to iPad around the time it ships? Apps that would really benefit from the larger screen real estate?
Off the top of my head for me:
* Kindle
* Beejive
* ForeFlight
* NetNewsWire
* WebEx
* Touch Term
* An RDP client
Off the top of my head for me:
* Kindle
* Beejive
* ForeFlight
* NetNewsWire
* WebEx
* Touch Term
* An RDP client