Intersting article on solar power from South Africa:
"In a scientific breakthrough that has stunned the world, a team of South African scientists has developed a revolutionary new, highly efficient solar power technology that will enable homes to obtain all their electricity from the sun."
http://www.int.iol.co.za/index.php?set_id=1&click_id=143&art_id=vn20060211110132138C184427
Sounds promising!!