For those who couldn't make it to the live webcast, the recording can be viewed here: https://www119.livemeeting.com/cc/microsoft/view?id=MB9CF5
Paul Flaherty did a great job explaining the ins and outs of troubleshooting Exchange Activesync. If you want to hear what Paul had to say, check out the link above.
The Video, slide deck and demo videos are here: http://blogs.flaphead.dns2go.com/archive/2005/11/23/3206.aspx