In the interest of speed, here are the download links for Windows 8 Consumer Preview and Windows Server “8” Beta.
5MB ESD Download link - http://windows.microsoft.com/en-US/windows-8/download
Windows 8 Consumer Preview ISOs - http://windows.microsoft.com/en-US/windows-8/iso
Windows Server “8” Beta - http://msdn.microsoft.com/en-us/evalcenter/hh708764.aspx
RSAT Tools for Windows 8 Consumer Preview - http://www.microsoft.com/download/en/details.aspx?id=28972