Guys,
this is a very big toy for miniature aircraft collectors, but I like this Dutch re-invention of the autogiro so much I may buy one myself!
http://pal-v.com/the-pal-v-one/
I think they used some principles from the als Dutch Carver:
http://www.youtube.com/watch?v=zb-MIuXTlEs
Which also went bankrupt of course...