You really should look at Squeak as well. http://squeak.org/ http://squeak.org/ Pharo is a great implementation of Smalltalk, but Squeak has moved the Smalltal

You really should look at Squeak as well. http://squeak.org/ http://squeak.org/ Pharo is a great implementation of Smalltalk, but Squeak has moved the Smalltalk ideas forward into new territory.