I found a couple of interesting new cell possibilities being worked on
http://lfw.pennnet.com/articles/article_display.cfm?Section=ARCHI&C=NBrea&ARTICLE_ID=248135&KEYWORDS=photovoltaic&p=12&pc=ENL (http://lfw.pennnet.com/articles/article_display.cfm?Section=ARCHI&C=NBrea&ARTICLE_ID=248135&KEYWORDS=photovoltaic&p=12&pc=ENL)
http://lfw.pennnet.com/articles/article_display.cfm?Section=ARCHI&C=News&ARTICLE_ID=221418&KEYWORDS=Photovoltaic&p=12&pc=ENL (http://lfw.pennnet.com/articles/article_display.cfm?Section=ARCHI&C=News&ARTICLE_ID=221418&KEYWORDS=Photovoltaic&p=12&pc=ENL)
LB