Graduate Physics Education ... Free!

Perimeter Scholars International
The 2011-2012 PSI course series is a condensed program of first and second year graduate physics study including quantum field theory and conformal field theory, quantum information, general relativity, cosmology, the standard model and particle theory, mathematical physics, statistical mechanics and condensed matter physics, string theory, and quantum gravity.

Perimeter Institute Recorded Seminar Archive
The PIRSA website contains the usual collection of advanced graduate courses (together with some unusual but noteworthy choices):
PIRSA:C11003 - Higher Spin Theories
PIRSA:C10018 - Space-time, Quantum Mechanics and Scattering Amplitudes
PIRSA:C10008 - Cosmology Mini Course
PIRSA:C10003 - Quantum Field Theory for Cosmology
PIRSA:C10002 - Foundations and Interpretation of Quantum Theory
PIRSA:C09056 - Quantum Spin Simulations
PIRSA:C09020 - Introduction to Effective Field Theory
PIRSA:C09019 - General Relativity for Cosmology
PIRSA:C08019 - Quantum Field Theory
PIRSA:C08018 - Astrophysics & Cosmology through Problems
PIRSA:C08002 - Advanced General Relativity
PIRSA:C08001 - New Horizons In Fundamental Physics
PIRSA:C07007 - Advanced Topics in Cosmology
PIRSA:C07002 - Introduction to Quantum Groups
PIRSA:C06014 - Introduction to Quantum Information and Computation
PIRSA:C06012 - The Standard Model and Quantum Field Theory
PIRSA:C06001 - Introduction to Quantum Gravity
PIRSA:C05001 - Interpretation of Quantum Theory
as well as a slew of specialized courses on narrower topics.
(This list has been updated to include all courses of interest through 12/31/2011.)