Well, the event is over, you can now smoke a cigarette or dip your fingers in ice if you were blogging the event like some of us. Apple's got their page up and we'll post the video as soon as it becomes available.
What this event said to us more than anything is that Apple is about executing. Sure, they are late to the game with many of these features, but they are executing them really well. Push notifications could have come a few months earlier. They could have sacrificed battery life for background applications but it wouldn't be the experience they wanted to deliver.
They are also delivering most (sans stereo Bluetooth and MMS) of these features onto 2 year old original iPhones. Most phones don't even last 2 years but buying an iPhone ($599 at the time) means that you will have a 2 year old phone that is pretty on par with everything else out there currently. Not a bad price to pay IOHO.