I am looking for some good phones in the market which runs best on the AT&T . As the call quality and reception vary with different phones so I want the one which runs best on AT&T. there are certain phones in the market like Apple iPhone 4, Samsung Infuse 4G, HTC Inspire 4G etc. but do not know which is the best. So if someone has any idea, please tell me also.I would really appreciate.Thanks a lot