Determine the valence intensity of the writer's mental state conveyed in the snippet "oh and before anyone comments yes i know motorola have announced a quad band edge bluetooth phone, but its not shipping at time of writing and the tri-band gsm850 phones lack the gsm900 band which is important if you like me globally roam.". Provide a score from 0 to 1, where 1 signifies very positive and 0 signifies very negative.