Radio Downloader
It brings Podcast-like abilities to stream downloading, as well as handling Podcasts. This gives you the convenience of being able to subscribe to regular downloads of your favourite programmes, which you can then listen to on your pc or mp3 player.
Radio Downloader is supported on Windows 7, Vista and XP, and is freely available for your personal use under the GPL.
Radio Downloader requires the .Net Framework 2.0, which you can get via Windows Update, or download from microsoft.com.
Link: Radio Download