This list is by no means comprehensive, but it should get you started into some of the bigger genetic algorithm and other evolutionary algorithm sites.

comp.ai.genetic newsgroup
comp.ai.genetic Frequently Asked Questions

Encore (The EvolutioNary COmputation REpository network)
GA Rules of Thumb by Wendy Williams
Illinois Genetic Algorithms Laboratory (IlliGAL)
Michael Trick's Operations Research Page
Navy Center for Applied Research in Artificial Intelligence (NCARAI)
Yahoo has a small listing of GA topics