USA 2009 Briefings schedule is now online. 

The Cloud/Virtualization Track will feature:
Cloudifornication: Indiscriminate Information Intercourse Involving Internet Infrastructure by Christofer Hoff & Enno Rey
SADE - Injecting agents in to VM guest OS by Matt Conover
Clobbering the Cloud! by Haroon Meer, Marco Slaviero & Nick Arvanitis
Cloudburst: Hacking 3D (and Breaking Out of VMware) by Kostya Kortchinsky
Re-conceptualizing Security by Bruce Schneier