Quoting from the XenSource official announcement:
XenSource, Inc., the leader of the open source Xen virtualization project and a provider of enterprise virtualization solutions, today announced that they have signed over 500 commercial customers for XenEnterprise and XenServer – doubling their customer base during the past quarter. New customers include AmerisourceBergen, Cimex Media UK, Harvard University, Intuit, Investcorp, KBC Clearing, Miami Herald, Moen, NASDAQ, Palm, Rollins, Inc., and Sankyo. Additionally, since introducing XenExpress, their free product, at the end of 2006, they have experienced more than 100,000 downloads, illustrating the intense interest in new virtualization solutions.
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XenSource will introduce the newest release of its XenEnterprise product, version 4.0, in late August 2007…
The virtualization.info Virtualization Industry Roadmap has been updated accordingly.