I've been pretty happy with RubyMonk.com and CodeSchool thus far. Also, Coursera and EdX have open programming courses taught by professors from Cal, MIT, Stanf

I've been pretty happy with RubyMonk.com and CodeSchool thus far. Also, Coursera and EdX have open programming courses taught by professors from Cal, MIT, Stanford, etc. Also, Why's Guide to Ruby has been good to me so far if you want to get into Ruby.