Which is the best model of Sonyericsson

i cant say which model is better.gofor atleast w700!i have a sony Ericsson's w700i!i love this because of its sound quality.the sound quality given by its earphone can be compared to an ipod one!(but ipod is best) here are some reasom i recommend sony ---because it is sony ---mobile can charged via usb like ipod!which is very helpful while browsing using gprs! ---software can easily update through internet all you have to need is a broadband internet connection! ---las but not least,of course its sound quality!