one alternative thats worked really well for me is sirius there are a couple of proggies that work well. i use siriuswm5 on my mogul thank god for an unlimited data plan!
I use Resco Radio. I really like it! There is a 30 day free trial and it's $20 to register it for one year. Check it out here ---> http://www.resco.net/pocketpc/radio/