It's officially called 'Windows 8 Release Preview', but it's still a RC. This means this is the last freebie the public will get as the final release is next.
Direct Links to the ISO files (English)
x64 (64-bit) Download
x86 (32-bit) Download
Win8 RC Product Key: TK8TP-9JN6P-7X7WW-RFFTV-B7QPF
see next post for a fun and goofy video. Actually, Microsoft should really put these upfront in the final for new users.
Oh and the new logo ... I think they just typed two colons and added a color , i.e. ::
-- with a little skewing of course.