In this day and age getting hold of the ringtones you want is normally nothing more than a Google search away, so bear with me with this one, as it's actually pretty sweet.
Ringtones for BlackBerry 10 is certainly not revolutionary, but its content is top notch and what you get (and for free) are 148 tones you can easily download and then use for whatever purpose you wish on your BlackBerry. Selecting a tone to download will take you briefly to an external web page where you'll see an advert while the tone downloads. Then the download will be saved on your device ready for use - simple!
There's music and tones from all genres so if you don't find any you like I'll eat my hat - so to speak. Give it a look, you have nothing to lose.
And with one of the great features of BlackBerry 10 being that you can set a different tone for every single app/notification, you should find plenty of popular and decent quality tones here.
If it's not your thing please ignore, however I suspect this one may get a few thousand downloads in the next day or two!