Hi all,
I played with the OLPC system image (http://tuttlesvc.teacherhosting.com/wordpress/?p=251) now and my feelings are quite puzzled - first of all, it seems like almost all GUI can be done using Squeak and it's big loss that we aren't able to offer Squeak in state when it can do this job :-(
You may see it here http://www.youtube.com/watch?v=DwzCsOFxT-U&mode=related or here http://www.ivr-usability.com/olpc/olpc.html.
-- Pavel