David Buck is offering a two day introductory course:

I keep hearing people say that they'd like to learn Smalltalk but don't want to sign up for a full 5-day Introduction to Smalltalk course. I decided that it would be a good idea to have a quick 2 day course showing what Smalltalk is all about. This course is aimed at people who don't necessarily expect to work professionally in Smalltalk after the course but who want to learn more about object oriented programming and how it's done in other languages. I'll be holding the first run of the course in Ottawa on February 16th and 17th, 2006.