There is no direct method you can use to do this. The best method is to use MobileMe ($99/year) which will allow you to keep your contacts, calendar, and email synchronized across all your devices....
If it is brand new you need to plug into a computer to register it. But you don't actually need to sync it if you don't want to as you could just download things straight to your iPad. Though it is...
You use the sync cable that is provided with the iPad. You plug one end of the sync cable into the dock connector on the iPad and the other end into a USB port on your computer. You'll need to...