Quoting from the Virtual Iron official announcement:

Virtual Iron Software and Provision Networks today introduced a new bundled, server-hosted, virtual desktop infrastructure (VDI) solution that targets the challenges of managing, securing and maintaining today’s Windows-based, enterprise desktop infrastructure.

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Pricing for the joint solution starts at $120 per desktop license and is available immediately through both Virtual Iron’s and Provision Networks’ distribution channels, which include over 400 resellers and channel partners worldwide...

Check a short recorded demo of Provision Networks connection broker working with Virtual Iron plaftorm here, or download a 5 Virtual Desktops trial here.