Chris Anderson wrote this post about the third anniversary of Geekdad. I've linked to more than a few of their articles, recommendations, etc. over the years, and Anderson's book The Long Tail is one of my favorite reads over the last 3-4 years. I actually have a review of the book fully written: however, it is on my old netbook, which has suffered an untimely demise. At some point, I may make an effort to recover several of my writings off of the hard drive, but that moment has not yet arrived.
I should also note Anderson has been involved with Wired magazine (and Geekdad is associated with them), and a Geekdad book is pending release in May, which looks to be full of great ideas for parents and kids to complete.
In the meantime, happy anniversary, and keep up the good work!