TechWhirl (TECHWR-L) is a resource for technical writing and technical communications professionals of all experience levels and in all industries to share their experiences and acquire information.
For two decades, technical communicators have turned to TechWhirl to ask and answer questions about the always-changing world of technical communications, such as tools, skills, career paths, methodologies, and emerging industries. The TechWhirl Archives and magazine, created for, by and about technical writers, offer a wealth of knowledge to everyone with an interest in any aspect of technical communications.
Shoutcast works for me: http://shoutcast.com. Just make sure your employer
doesn't mind streaming audio. They have everything, including three channels
playing Mozart right now. I once did an all-nighter listening to the
all-Uriah Heep channel.