You might find the following links useful
- Fedora Core Web Page at redhat.com
- FedoraPeople Blog aggregator - collection of blogs of people who work on fedora
- Fedora Extras - packages of software not included in core!
- Fedora Documentation/Development Wiki - collection of docs for fedora
- Fedora FAQ pages at homelinux - collection of docs for Fedora Core Releases
- FUDCon - Fedora User And Developer Conference