A little while ago I mentioned that I subscribed to Slacker. I’ve been using them pretty extensively, and the caching of the stations has been awesome. I can load up my custom stations on my iPod and listen to them in the car. I have not had the actual radio on in the car for quite a while.
I still listen to LastFM too. Until now, I had mostly been using them to get my library in a good mix and to hear their recommendations based on my library. Now that I have a few “friends” on LastFM, I have figured out another great thing about that service. I can essentially borrow my friends’ music collections any time I want to. Some of them (Mary, Adam, I’m looking at you) have very similar tastes in music. A couple others aren’t so close, but I’ve heard some amazing things on those stations too. Have I mentioned how much I love internet radio?