Digital FM music streamer to run into your system?

Much like XM there a way to access internet streaming of FM stations to run through your system?....and, are they of any audio quality?
If you mean from a PC or Mac, yes; via iTunes. Highest quality feed I've seen is 320kbps. However, the number does not necessarily mean it is of good quality audio. Some of the 128kbps feeds sound better than 320kbps.