How do you use Squeak?

Squeak is an excellent IDE for serious Smalltalk development. That is not to say that it cannot be improved. The pharo guys are eleminating from the squeak image the parts you might not want for professional development.

Download (or buy) the book Squeak by Example to get started.

Squeak is a great environment for learning Smalltalk, but don't confuse that particular implementation with 'Smalltalk'. Some of the other implementations are very professional, but not surprisingly come at a financial cost.