Jason Huggins, Al Sargent, and Steve Hazel from Sauce Labs describe their Selenium-in-the-cloud testing framework, including integration with CI systems like CruiseControl.
Pivot David Stevenson introduces RSpec tools Remarkable and Contextually. Remarkable makes testing ActiveRecord and ActionController more declarative. Contextually simplifies testing the behavior of controllers against a variety of roles.
Wolfram Arnold shares his experiences implementing full-text search in a Rails-based translation application. The searching had to support multiple languages and matching on common word roots.
Ezra Zygmuntowicz of Engine Yard demonstrates Solo, their new cloud offering for the deployment and management of lightweight Rails, Merb, or Rack apps.