FYI: this boots into gnome3shell as CD sugar-desktop can be installed after install to HD or USB (both work). VirtualBox4.0.4 OSX defaults to fallback gnome2.xxx http://alt.fedoraproject.org/pub/alt/nightly-composes/desktop/desktop-i386-2... also installs to 8 GB USB DO NOT UPDATE rsyslogd 5.7.9-1 fc15 doing so will make the system not login see http://wiki.sugarlabs.org/go/Community/Distributions/Fedora#Make_Bootable_f1... look at notes 115 updates as of 5AM PDT -1(rsyslogd 5.7.9-1 fc15)
Tom Gilliard satellit on #sugar freenode IRC