Well, program wise you can also try
Freecorder. It's a 100% FREE sound recorder and is pretty easy to use as well. It doesn't record as much as
Replay Media Catcher, per say, but for free it's one of my favorite programs to use.
With regards to OTHER sites you can record from, let me add some links from my main site:
Free Internet Radio:
Replay Media Guide Editor's choice! Find and Record Online Radio, Internet TV, Podcasts. Replay Media Guide has 500+ Internet TV stations, 1100+ radio shows, 2100+ online radio stations, 9'500+ podcasts and 175'000+ podcast episodes. Free to join!
Yahoo LaunchCast - is a streaming music service allowing you to create your own customized station tailored to your tastes. Rate artists and albums highly to hear them often and ban the ones you hate! You can also listen to our extensive collection of pre-made stations created by our editorial staff.
Shoutcast - is Nullsoft's Free Winamp-based distributed streaming audio system. Thousands of broadcasters around the world are waiting for you to tune in and listen. All you need is a player (we recommend Winamp) and you're set to go!
IceCast - mp3, ogg, wma radio stations.
IceCast is a GNU GPL/Open Source version of Shoutcast.
Live365 - is the world's largest network of independently produced audio content. There are 40,000 stations to choose from, or you can create your own in just minutes..
MSN Radio - Radio Plus has no ads, more stations, better sound, artist-based stations. It's free to try.
Web-Radio.fm - Over 10,000 radio stations listed with over 5000 broadcasting online.
Radiofeeds.co.uk - The Internet's most up-to-date list of UK radio stations broadcasting on the web (RealAudio, Windows Media, Shoutcast mp3, QuickTime and other audio stream formats).
AccuRadio - -is the world's leading independent, multichannel Internet radio station,* featuring over 300 channels and subchannels of really cool music.
Plus, you can customize each channel to your tastes. And, best of all, it's free!
Radio@Netscape - Tune into more than 175 stations, including music, news, sports and local radio.
Streamer p2p network - 30 radio stations including The Howard Stern Show
Took me quite some time to put together this link list, so enjoy and tell you friends about this site! These are ALL 100% FREE online radio stations, most if not all can be recorded with the software listed above. You can keep the music for you enjoyment, or of course create some killer iPhone 3g Ringtones using iRinger. :)Hope this helps!