The eclipse is supposed to start at 3:35pm EDT tomorrow. The Slooh Space Camera has a live feed from Cairns, Australia that will start at 2:30pm EDT. Folks at Slooh say this dispatch should be particularly stunning, since the event is supposed to begin around sunrise in the area.
You can also watch a stream from Tourism Tropical North Queensland, which will also broadcast from Cairns starting at 2pm EST. And since it's an important reminder to all our friends in Australia catching the moon blotting out the sun in person—don't stare at it directly or you'll go blind. More here.