Infragistics Professional is the new name for Infragistics NetAdvantage for .NET. Have you considered Infragistics Ultimate? It includes everything included in Infragistics Professional plus Indigo.Design and App Builder.
NetAdvantage for .NET adds Windows UI Controls
Released: Apr 23, 2013
Updates in this release
Updates in 2013 Volume 1
Desktop and Mobile Touch Optimization - Key controls across jQuery/HTML5, ASP.NET, Windows Forms, Silverlight, WPF and Windows UI have been optimized for touch.
NetAdvantage Windows UI - Dozens of controls for HTML or XAML.
More Control and Feature Parity - Across the XAML and Ignite UI products including new cross-platform addition of the Radial Gauge control.
XAML - Release of the XAML Syntax Parsing Engine and enhancements to the Menu/Context Menu, Gantt and Data Chart controls.
Maps - Advanced features for XAML's Geographic Map, including Esri ArcGIS support.
Ignite UI - Pivot Grid, Pivot Data Selector, Pivot View, Tile and Layout Manager controls and KnockoutJS support for Grid, Tree, Combo and Editors controls.
ASP.NET MVC - New wrappers for Ignite UI's newest controls.
Indigo Studio - New tool for creating rapid, interactive UI prototypes of your desktop, web and mobile applications.