Determine the valence intensity of the writer's mental state conveyed in the snippet "fortunately, the g3 has a hot shoe that can take an external flash, and fortunately for me, i already owned a one of the highest quality external flashes that money can buy: the metz 60 ct-4.". Provide a score from 0 to 1, where 1 signifies very positive and 0 signifies very negative.