I found the following post on Mike Manos's blog. I've seen plenty of people from HP, Intel, Oracle, Sun, and Yahoo speaking at industry events. Microsoft and Google had a noticeable absence. Given Mike's travels to DC, LV, and Orlando, he'll be local for a lot of people.
I'll work on getting a summary from someone who is attending these events. If any of you do attend, feel free to send me your comments, and I'll add them to a blog entry.
03/10/08 - IASA - IT Architect / Regional Conferences 1:45pm - 3pm
04/01/08 - Data Center World - Keynote Talk 7:45am - 8:45am
Las Vegas, Nevada
04/27/08 - Uptime Institute Symposium / Green Enterprise Computing