Hayden just posted on PinStack about a new commercial radio streaming application for BlackBerry. I will start off by mentioning the fact that this application has no trial which will turn off many potential users but hopefully we will review it soon.
The PocketStreamer application is now available for the 8100 Pearl, 8300 Curve, and 8800 series devices and costs $21.95. Luckily it does not have a subscription fee beyond that point but without a trial I do not see many people forking over their hard earned cash. The details are pretty slim but from the screenshots it seems that it is streaming Shoutcast radio stations to your BlackBerry.
They are touting over 100 stations from Pop to Classical music but it makes not mention of the ability to add your own (shoutcast?) radio stations to the mix. I have just sent them an email so hopefully I will hear more about it soon.
If you are interested in taking the plunge you can find the app here on E-mobilesoft.com.