Originally Posted by CapTim
Keep in mind that the IPad isn't a standalone machine.. you can't update it w/o plugging it into a real computer. So if you don't already have a PC/Mac that you can use to download/install updates into your Ipad, that option would be off the table.
No need for a PC or a mac. You can download everything your need through the iPad. You'll need the 3G model. That said, mine's a backup to my chartplotter.