Matthieu Dejardins – eCOMMERCE ACTIVIST: Conversion Optimization, Landing Page, Shopping Cart, Analytics/Testing

Good Web Design By Looking At Bad Web Design
http://webpagesthatsuck.com

Tim Ash's Landing Page Bible!
Landing Page Optimization Book

The Landing Page Design Toolbox
100 Tools, Tips and Resources

Usability news & publications
http://usability.gov

Andrew King - Usability Expert
http://websiteoptimization.com/

Avinash Kaushik - Google's Analytics Evangelist
http://www.kaushik.net

Jakob Nielsen - Usability Expert
http://www.useit.com/

Steve Krug - Usability Expert
http://www.sensible.com/

Digital Media & B2B podcasts
http://webmasterradio.fm/

Google's Business Channel
http://www.youtube.com/user/GoogleBusiness