http://www.shakespearesglobe.com/theatre Shakespeare's Globe is a unique international resource dedicated to the exploration of Shakespeare's work and the playhouse for which he wrote, through thee connected means of performance and education.
http://www.pbs.org/wgbh/pages/frontline/shakespeare/ This is the website that accompanied a PBS Frontline series on the question of Shakespearean authorship.
An excellent clearing house for all things Shakespeare. It includes reviews of productions from all over, as well as discussion forums and resources for students.
http://globalshakespeares.mit.edu/# The Global Shakespeares Video & Performance Archive is a collaborative project providing online access to performances of Shakespeare from many parts of the world as well as essays and metadata by scholars and educators in the field.