"Customers intending to use the iPhone 3G for access to corporate e-mail, business applications, or access to corporate intranet are required to activate with Enterprise Data Plan for iPhone.
Source: http://gizmodo.com/5014909/att-memo-to-retail-managers-shows-iphone-3g-policy
So if I have a consumer account but want to sync with my corporate e-mail, calender, contacts, etc I will be forced to pay $45 a month vs $30 a month?
That sucks