My Little Poppies– Cait blogs about homeschooling gifted kids and the joys and challenges that come with it.
Raising Lifelong Learners– Colleen writes about homeschooling gifted kids and provides lots of ideas and resources.
Tilt Parenting– Debbie writes about raising differently wired kids.
Hand in Hand Homeschooling– A site dedicated to helping parents develop individual learning plans with an emphasis on gifted needs.
The Center for Philosophy for Children– Run through the University of Washington, this Center offers an array of lesson plans, ideas, and resources.