I would recommend those from [Simon's Center for Geometry and Physics][1]. Here is a [list of all workshops][3] at SCGP.


Videos from all of their workshops are available online.  Here are all talks from [Random Tilings Workshop][2] last February.



  [1]: http://scgp.stonybrook.edu/
  [2]: http://scgp.stonybrook.edu/archives/3449
  [3]: http://scgp.stonybrook.edu/scientific/workshops