It's always the same: During the event you get live transcripts from the usual suspects, maybe an unofficial audio or video stream that sounds and looks as if it were transmitted live from hell. After the event, with maybe ten to twenty minutes delay, the Apple website will be back up and after a few hours (four or so) you can watch the webcast provided by Apple. But maybe don't try that in the first four hours or so if you want decent quality.
It's always the same: During the event you get live transcripts from the usual suspects, maybe an unofficial audio or video stream that sounds and looks as if it were transmitted live from hell. After the event, with maybe ten to twenty minutes delay, the Apple website will be back up and after a few hours (four or so) you can watch the webcast provided by Apple. But maybe don't try that in the first four hours or so if you want decent quality.