Adobe has opened the support center for Lightroom at http://www.adobe.com/support/photoshoplightroom/. The page has 4 options: A knowledge base search, a series of tech notes, a bug and feature form and a product resource link.
The tech notes include Troubleshooting on Mac OSX and PC, Emailing from Lightroom, Photo Binders, Libraries, Preferences and file locations.
Tips, Tricks, Presets and Addons for Lightroom
