March 12 the date for American pre-orders for the iPad has arrived and some new details have come out. Nothing big but some additional clarity on how the more flexible American data plan ordering will work, confirmation that free epub ebooks can be read in iBook, and identification of a screen lock switch. The key questions for international customers like data service plans, ebook selection, and ebook pricing are still unanswered. Scan the technical specifications to review what information has been released so far.