Looks like the BWE started already

LOL, I guess Anet decided to try and head off the rush at 12 PST by sekretly opening the Beta over an hour before the official start time.

Here are some live streaming of the Beta online:
http://www.guildwars2live.com
http://www.livestream.com/guildwars2live
http://www.twitch.tv/directory/Guild%20Wars%202 (list of livecasts on twitch tv)
http://www.own3d.tv/game/Guild+Wars+2 (list of livecasts from own3d tv)

Things noted so far:
* 5 character slots to start with.