These are nice! http://www.phonezoo.com/Search.do?page=0&typeFilter=RT&value=sami+yusuf
I used the hasbi rabbi third one down. On most new phones you can create a memo recording of whatever you want and use that as your ringtone too
The Zain Bhikha ones are nice too!!
Just remember to turn it off when you go to Taraweeh!!!