Casio on Wednesday launched an update to its slim projector line with a lone but important model, the XJ-S43W. The new DLP unit is now much friendlier to widescreen notebooks and HD sources with a 1280x800 native resolution. It's also now brighter and generates as much as 2,500 lumens with a 1,800:1 contrast ratio. Size remains the selling point as the system is just under 1.7 inches at its thi
