Read messages in unified view with multiple mail accounts

If your iPad has multiple e-mail accounts, you have to move between one account to another to read messages. It is annoying.Now Apple has remedied the situation on iOS 4.2 for iPad. There is an additional listing called "All Inboxes." in mail app. For example, I has a Business and Personal Gmail accounts. After I add them, I don't need to read messages by swapping back, just go into the "All