The first beta release of Scientific Linux 4.7 is available for both i386 and 
x86_64.  It is in the rolling area.

http://ftp.scientificlinux.org/linux/scientific/40rolling/i386/
http://ftp.scientificlinux.org/linux/scientific/40rolling/x86_64/

This first beta release has all of the recompiled Update 7 packages recompiled, 
all of the latest security and fastbug updates.
It also has our usual anaconda (installer) changes needed to make sites.

The current state of the release is available at our whiteboard page

https://www.scientificlinux.org/distributions/rolling.whiteboard/

Please test and send back any feedback.

-- Troy Dawson
-- Connie Sieh