UPDATE
There is now a second, identical event on the same topic:
Date: Tuesday, October 18 AND Tuesday, October 25
Time: noon EST, 11:00am Central, 9:00am Pacific
RSVP: http://fms.groups.adobe.com/resources/574

The Flash Media Server Users Group is hosting an event titled "What's New in FMS 4.5 with Steve Allison" on October 18th 10:00 AM - 11:00 AM (GMT-7 Mountain Time US & Canada).

This is an online event which you can attend at http://realeyes.adobeconnect.com/fmsug and will be hosted by Steve Allison, Senior Technical Evangelist for Adobe's video delivery technologies.

From the event summary page:
Deliver media to multiple platforms - including Apple iOS devices with native HLS - with a choice of powerful protocols that can save significant bandwidth costs and lighten network load. Encode once and deliver across platforms with on-demand media packaging. Deliver exceptional media experiences with protected delivery and real-time encryption for your high-quality content. Steve Allison will talk through the changes with FMS 4.5 that can put some more powerful video tools in your arsenal including:

· Origin Cache Architecture
· Just in Time (JIT) capabilities
· PHDS Configuration
and more new FMS 4.5 features

Mark your calendars now.