Make Magazine has a great list of open source toys for the geek on your Christmas gift list. I saw this list a couple weeks ago but I just couldn’t get in to the Christmas spirit that soon. I think there might be time to get some of these things if you have someone in mind.
If anyone is thinking of me, I kinda like the Linux based media center from Neuros. It’s a little pricey ($229), so for those with a small budget for bloggers or anyone else, I really like the free home networking software (you just need some cheap x10 hardware to make a complete gift.