One thing that you gotta hand it to is Steve Jobs' presentation style, a lot have been talked about it and its now condensed in this simple book. Click on the link for business week's round up.
Being a manager has a strange way of changing your behavior. It's sorta like growing old, the more years you gain, the smaller your balls get. You're crankier but at the same time mellower, slowing down & less concerned with whats happening.