I hope people add here pros and cons for the different tools and examples.

Ant/Junit

http://ant.apache.org/manual/OptionalTasks/junitreport.html

Pro:

1. Easy to integrate in buildtools like CruiseControl
2. Good structure

Contra:

1. Dont' know Verify-Command

TestNG

http://testng.org/doc/

Pro:

Contra:

SeleniumLogging.jar

http://loggingselenium.sourceforge.net/

Pro:

1. Customized for Selenium (Selenium Commands and Screenshots)

Contra:

1. You need to modify setUp and tearDown- Method
2. No Overview for many tests