Rumors about a motion sensing device for the Xbox 360 targeted at the same casual gaming audience enthralled with Nintendo’s Wii have been around Furthermore, WSJ notes that camera is believed to be based on the Z-Cam technology that Microsoft recently acquired when it took over Israeli start-up 3DV Systems in February. Microsoft would be likely to show off such a device during E3 in the first week of June, although an actual release is not expected until 2010.