My Family Uses a Windows Home Server
Does your family have more than one or two computers in your home? Want to backup your PCs and share media on your network. Then, I think that Windows Home Server is for you. I use one in my home, and we love having it. I can stream movies both across my home network and on the web. It has all kinds of neat stuff and add-ons. And, you can get it on an HP MediaSmart server for around $500. So check it out.
PS: Here is a cool demonstration of a neat feature called remote access: https://kirbyfam.homeserver.com