Great news for Apple fans the world over!
Apple will broadcast its September 1 Special Event online using Apple's HTTP Live Streaming, which is Open-Standards-based. Viewing requires either a Mac running Safari on Mac OS X Snow Leopard (version 10.6), an iPod Touch or iPhone running iOS 3.0 or higher, or an iPad.
Live broadcast will begin at 10:00 a.m. PDT on September 1, 2010 in the US or September 2, 2010, 1:00 AM in the Philippines via this link.
UPDATE: For Windows users, Gizmodo is currently playing a livestream from the event. Watch it now via this link.