We had the opportunity to chat with Albert Penello, senior director of product planning at Microsoft this afternoon, who was kind enough to clarify a few topics for us regarding the recently-unveiled Xbox One. One thing we were quick to ask about was the integrated storage. 500GB sounds like a lot today -- but so did the 20GB unit in the original Xbox 360. The HDD there was, at least, replaceable. Can you do the same with its success