Here are the slides from the RailsConf talk I did with zak.
Slides - Fast, Sexy, and Svelte: Our Kind of Rails TestingI added some notes that weren't on the slides during the presentation.
Also, somebody who took notes during the session posted them to pastie.
The techniques we talked about are more important than the specific tools we use. We talked about our default choices for tools, but there are some alternatives.