Quoting from the Akimbi official announcement:
Akimbi Systems, the global leader in Virtual Lab Automation software, today announced that it will bundle Microsoft Virtual Server 2005 R2 at no extra cost for organizations that choose to deploy Akimbi Slingshot on Microsoft’s virtual infrastructure technology. The bundle will be available within 14 days.
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In addition to bundling Virtual Server 2005 R2 in its evaluation software, Akimbi will continue to offer an Akimbi Slingshot plus Virtual Server 2005 R2 bundle for those customers who wish to simplify their purchase and enjoy a complete out-of-the-box experience…