Caligari have an excellent deal on at the moment. It should especially please people who may have found their training too expensive in the past. Keep in mind these training videos are generally made by pro TS users and aren't just regurgitations of the manual like some others.
You can see it
here.
Apparently they've also extended the Vray pre-release pricing, so you can still get it for $200. Crazy. See it
here.