As promised, here are the links I mentioned at the Lightroom User Group meeting:
Lightroom 4.2 release candidate (http://labs.adobe.com/technologies/lightroom4-2/) – camera support and bug fixes (tethering support for D800)
Camera Raw 7.2 release candidate (http://labs.adobe.com/technologies/cameraraw7-2/) – camera support and bug fixes
Photoshop 13.0.1 update (More info: http://blogs.adobe.com/photoshopdotcom/2012/08/photoshop-cs6-13-0-1-update-now-available.html) – bug fixes (update using Help > Updates)
Upcoming retina support for PS and LR (among other apps) – http://blogs.adobe.com/creativelayer/new-macbook-pro-retina-display-support/
Creative Cloud – LR4 now available through the Cloud, Illustrator released first set of updates – http://www.adobe.com/products/illustrator.html
Power, Speed, and Automation in Adobe Photoshop by Geoff Scott and Jeff Tranberry – http://www.amazon.com/Power-Speed-Automation-Adobe-Photoshop/dp/0240820835/
Adobe Photoshop for Photographers Seminar on October 17th, 2012 – http://kelbytraining.com/tours/photoshop-cs6-for-photographers/