When it comes to new gadgets, Apple generally leaves its customers in the dark until the very last minute. Cupertino doesn't unveil a product until days or weeks before it's on store shelves, and even then some ill-informed shoppers just don't get the memo, leaving them to unknowingly purchase "obsolete" products on the eve of a refresh.

That's precisely what happened to many people who recently bought the original iPad, which was , will launch March 11 with a starting price of $499.