To paraphrase XYZMP3.com:

“XYZRadio is a webpage that will stream Internet Radio stations on your PlayStation 3, Wii, iphone and PSP. it works without homebrew mods, hacks and streams with no problems. XYZRadio offers more to you than Virgin, XM, and Sirius radio. There are a ton of different radio stations currently streaming through XYZRadio. You can find and play your favorite music stations that offer exciting and fresh content. With the large variety of stations you will definitely find a radio station that fits your mood. We bring the world of music right into your living room. Access many styles of music and radio programming broadcasting live from radio stations around the world. You can now listen to all them directly on your Sony PlayStation 3.”

Here’s the homepage, I’m gonna recommend SUBFM and WeFunk