said by OwlSaver:-A Word like application for taking notes.
-A mapping tool - oh wait, no GPS.
-A PowerPoint like application for creating and making presentations.
-Using a bluetooth headset and WiFi and VOIP to turn it into a phone.
The iPad can do all of these things now. Notes exists for taking, well, notes. Jobs did a demo of location in Maps--it may not be true GPS, but it'll show you where you are. iWork is available, which gives you document and presentation capabilities. And you can currently use it for VOIP calling.