Builders/Links and Blogs
Blogs
HydraRaptor Blog - NopHead's blog about "My attempts to make a rapid prototyping machine that I will use to make parts for a machine that will be able to make parts for a copy of itself."
Web Sites
Official Forums - Discussions regarding all topics and great for asking questions.
Main website- general info along with building instructions.
RepRap SourceForge project page - Files and code for RepRap.