Now Windows 7 has various good features.Its improving day by day.And
windows is trying to compete with other platforms as well.The below link has few updated stuffs for windows 7 phone
http://www.techimperial.com/2012/06/...ringtones.html
It's from Windows Phone 7 (Tango) Build 7.10.98.8773, all credit goes to the original composer(s) of the audio files