I just saw this on WinRumors. I hope it is true.
http://www.winrumors.com/microsoft-finalizes-windows-home-server-vail-rc-download-due-thursday/
I just saw this
http://thenextweb.com/microsoft/2011/02/01/microsoft-has-finished-the-windows-home-server-vail-rc-download-coming-thursday/