You can use your own music from your PC as ringtones, install this software from http://www.ifunpix.com on your PC and start downloading music to your mobile phone and PDA directly from your PC using it's WAP interface. You don't need bluetooth device, sync cable or to be at home at all. Your entire music collection is available to you from anywhere, that way you don't even need a big memory card on your phone because you can download anytime.