"Knowing immediately where the shots come from means that it eliminates the confusion and allows soldiers to find cover and return fire. It helps to make combat scenarios, especially in urban areas, a lot less confusing. Everybody immediately knows what side of the vehicle or building to jump behind when taking fire." according to Don Steinman at Qinetiq North America.
According to the Telegraph.co.uk "After roadside bombs, snipers have been the biggest cause of the 301 British fatalities in both wars..."
I think it's great that these and other such technical advances are helping our soldiers in the field, yet it still amazes me how the insurgents still manage to inflict casualties despite it all.