Next week, GlobalGiving will be auctioning off 25 limited edition cameras to raise money for rebuilding schools in New Orleans. The cameras were donated by Casio and are limited, colored versions of the company's three latest Exilim Z-series compact cameras. Among the cameras auctioned are 10 red , 10 brown Exilim EX-Z600s, and 5 blue . The cameras are all extremely rare editions; none of the variant cameras be available for retail, and the EX-Z850 cameras to be auctioned are the only blue versions in the world. The EX-Z60 and EX-Z600 will be available in only silver or black, and the EX-Z850 will be available in only silver. The cameras are expected to ship to retail outlets in mid-April. The charity auction runs from April 4 to April 14 and is hosted by eBay.