Booting the default option didn't seem to go anywhere here using VirtualBox, but choosing the vga option worked
To log in...username / password: bbq / bbq
Choose 'r' for README and take a picture for later reference or for those with decent cognitive abilities, read and remember -- type 'q' to exit.
Log in again and choose 't' for "Start X session", and choose some window manager.
The Ctrl-Alt-Backspace key sequence seems handy to exit the current window manager -- choose another window manager if still curious.
Looks like they used xbindkeys to get many(?) of their window manager setups to use a common set of key sequences -- nice.
On a side note, if any one knows how to achieve alt-tab like behavior from the command line (so this can be set up via xbindkeys), I'd appreciate hearing how