MSDN now has RSS feeds for Microsoft webcasts, listing any upcoming online sessions for you to consume and attend. MSDN webcasts are a great way to learn valuable information for free.Also listed in the feeds are TechNet, Security, Office System, and MBS webcasts.

So, whether you're a developer, IT engineer, systems person, or help desk guru, there's always something for you here - In fact, there's almost certainly several somethings at any given point in time.

From the listing site:

We've made our webcasts available as a RSS feed on this blog site. Every month we'll post the upcoming month's webcasts here for MSDN, MSDN Architecture Webcasts including patterns & practices live! webcasts, TechNet, Security, Office Systems, and Microsoft Business Solutions webcasts. Here they are below.

Upcoming MSDN Webcasts (rss) *
Upcoming MSDN Architecture Webcasts (rss) *
Upcoming Security Webcasts* (rss) *
Upcoming Microsoft Business Solutions Webcasts* (rss) *
Upcoming Microsoft Office Systems Webcasts* (rss) *
Upcoming TechNet Webcasts* (rss) *
Upcoming Executive Circle Webcasts* (rss) *
Upcoming Webcasts for the week* (rss) *
Webcast Series* (rss) *
Latest News* (rss) *
MSDN Webcasts Doctrine* (rss) *
Theme Weeks on MSDN Webcasts* *(rss)

(found thanks to Scoble)