Did you ever search for a short (10 minutes) high quality presentation of Report Builder? Well, this video is high quality (from the stream quality), however it's not perfect (the demo fails in one step)... Pay attention to the last seconds of the presentation just after the logo is displayed... http://mediaserver.aspsoft.com/blog/RichardHundhausenPresentingSQLServer2005ReportingServicesReportBuilder.aspx
Thomas