I really like gdgt's coverage. Their servers have never failed for me.
http://live.gdgt.com/live-wwdc-2012-keynote-coverage/
I've also used The Verge before but their servers don't seem to be reliable.
http://live.gdgt.com/live-wwdc-2012-keynote-coverage/
I've also used The Verge before but their servers don't seem to be reliable.