VMware Server is now going to be free, according to this press release. There's also now the opensource Xen.
I really want to get building virtualized servers a whirl, primarily to reduce the complexity of each server configuration by having each dedicated to a single task. Plus it's fun.
I started a new personal blog last December. http://braino.org/blog (this one) is now for technical subjects, while http://braino.org/me (the new one) is for personal news and photos.