Some of the cool things you'll find the in the Beginners Guide include:
Planning your first experiment
Ideas for identifying what content to test
Step by step installation guide
Interpreting your report
You can access the beginners guide in the following languages: UK, DE, FR , IT, ES, NL
For more advanced users...
If you are a developer/advanced user of Website Optimiser, you may be also interested in The Techie Guide to Website Optimiser.This guide covers just about everything you wanted to know about the technical ins and outs of Website Optimiser.
Some of the cool things you'll find in the Techie Guide include:
A detailed explanation of the Website Optimiser experiment scripts