http://blogs.windows.com/windows/b/windowsexperience/archive/2014/03/03/new-windows-xp-data-transfer-tool-and-end-of-support-notifications.aspx
I'm pretty sure this is irrelevant to most, but I'm pretty sure I've heard of - and gave friendly mocking to - at least a few BK still using it. So if you want to update, your last chance is nigh. But do yourself a favour and get Windows 7. It's at elast as easy on resources as XP, and the 64 support is far better, supports Directx 10, 11, 11.1, etc.
I'm one of the mocked and ostracised:-(.
I had a home server running XP. It was my old gaming PC that I hooked up to the TV and used as a file server. Just about a month ago I replaced it with a old laptop.