My husband just created a blog to journal about his adventures with LEGOs. I bought the Mindstorm LEGO kit for him for Christmas, and he is having a blast playing with it. Basically, it is a set of robotic LEGOs. You can build small robots with them that contain a logic module that allows you to control them. If you like LEGO's, you might want to check it out. He also has links to other great LEGO sites:
I'll also put him in my list of links to the right.