looking to ditch my 3GS and pickup a N1 for AT&T. a few of the early warranty and cust service horror stories put it on hold the last 10 days. if you are happy with your AT&T N1 especially if you came from an iPhone let me know why. how is the battery life and available app selection ? being a little hearing hearing impaired the ringer volume is a big issue for me so how loud do they ring ? any other complaints ?