A Review of BattleFleet Gothic

Evaluation of BFG which includes a revised combat table which reflects the size of certain targets.
http://www.aimonline.com/bfgreview.htm

The Eldar Webway

Contains Eldar ship names, unique weapons/equipment, and an appendix. Not yet updated regularly, but is supposed to eventually include an Eldar fiction section.
http://www.geocities.com/Area51/Quadrant/2942/index.html

Port Maw

Extra rules, new ships; some Chapter Approved, along with scenarios, general articles on BFG, and fiction.
http://www.one-end.com/portmaw/articles_rules/index.htm