Features of the Leostream Connection Broker 6.2 include:

Installation & Management

• Easy installation as a virtual application: Connection Broker 6.2 virtual application provides native installation on a Windows Server 2008 R2 Hyper-V or Microsoft Hyper-V Server 2008 R2 hypervisor;
• Native support for Hyper-v based virtual machines: Simplified discovery and machine power control.

End-user Experience Pack ( didn't Quest have a similar term - EOP - Experience Optimized Protocol / Pack ?) - Connection Broker provides a complete set of features to create an optimal end-user experience with Microsoft desktop virtualization software, including:

• Windows 7 support: Full support for Microsoft’s new Windows 7 operating system;
• RDP 7 support: Full support for the new remote desktop protocol (RDP) 7, with its high-performance enhancements such as bi-directional audio and rich graphics;
• Multimonitor support: Leostream supports multiple monitors with RDP and a wide range of additional protocols;
• USB management: USB pass-through policies allow administrators to manage classes of devices or individual devices, depending on need. USB policies can be combined with other Leostream policies, such as location-based ones, to support the exact implementation of business rules;
• Location-based printing: Administrators can specify a list of network printers to connect to a particular group of clients based on their location. End-users can select local printers when connected to remote desktops;
• Single Sign On for RDP: Provides seamless access to all versions of Windows virtual desktops from any client device, including Windows 2000, 2003, XP, Vista, and RDP 7;
• User profile support: Consistently offers the same desktop to the user who travels or changes physical location;
• Extensive flexibility in assigning users to resources such as desktops, applications and sessions: Leostream’s powerful policy capabilities are natively available in Microsoft environments.

 Source: http://vmblog.com/archive/2009/08/27/leostream-releases-connection-broker-6-2.aspx