Nice preview including video:
http://www.cyclingtips.com.au/2013/03/tour-of-flanders-moments-in-history/
The race is on Steephill.tv:
http://www.steephill.tv/classics/tour-of-flanders/
Start time: Sunday March 31 10:00 CET (4:00:00 AM EDT);
Earliest live video: 11:45 CET (5:45:00 AM EDT);
Approximate finish: 16:30 CET (10:30:00 AM EDT)