Originally Posted by crupp
3. Yes. When creating a calendar event on your iphone you will be asked which calendar you would like to add it to. YOur choices are the calendars that are located in "My Calendars" The calander events show up as different colors if you choose to view the "all" calanders option.
Bear in mind, once the category is selected and you create the appointment, you cannot change the category through iPhone, only through me.com or a desktop calendar app. Also, iPhone tends to randomly choose which calendar is the default...you can change this in Mail/Contacts/Calendar settings.