Mixcloud hosts radio shows, Podcasts & DJ mix sets. Now you can download Mixcloud mp3's easily.
Enter the url of the Cloudcast page, e.g. http://www.mixcloud.com/alec_empire/alec-empire-dj-set-at-european-dnb-rave-2009/ in the download bar above, then click the download icon. For more information see how to.
Mixcloud have an iPhone app which allows you to stream their mixes. However, the quality of the streamed mp3 is not the best. Use this site on your iPhone to find the download links and if you click one of the working links, the mp3 should open in Quicktime. Using this method you can stream the high quality mp3 for free!