FYI:
The amazon download link for the latest angstrom image
http://angstrom.s3.amazonaws.com/demo/beaglebone/Angstrom-Cloud9-IDE-GNOME-eglibc-ipk-v2012.05-beaglebone-2012.09.12.img.xz
is not working.
The primary source is dead slow.
Hope this finds its way to someone who can fix it.