Sembra che l'uscita di questo controllo sia passata inosservata ai più, eppure è un controllo che dovrebbe fare felici molti sviluppatori:
Microsoft Chart Control
- Visual Studio design time support.
- 25 distinct chart types.
- 3D support for most chart types
- 3D customization, including perspective, lighting, rotation, border skins, anti-aliasing, transparencies, isometric projections, shadows, and more.
- Unlimited number of chart areas.
- Automatic and manual layout and alignment management.
- Automatic and manual scaling.
- Logarithmic scaling for any base.
- Fully customizable legends.
- Intelligent data label positioning.
- Chart annotations, scale breaks, interlaced strip lines, drill-down charts, tool tips, data labels, and more.
- Zooming and scrolling. (Windows Forms)
- Data binding.
- Data copying, merging, splitting, sorting, searching, grouping, and filtering.
- Data exporting.
- Binary and XML serialization.
- Empty data point handling.
- Unlimited number of data series and data points.
- Support for dates, times, currency, and more.
- More than 50 financial and statistical formulas for data analysis and transformation.
- Real-time chart manipulation.
- Post-paint and pre-paint events.
- Support for AJAX click events.
- State management. (ASP.NET)
- Binary streaming. (ASP.NET)
- Animated frame rate control. (ASP.NET)
che non mi sembrano propriamente delle inezie 
Ad ogni modo, se volete saperne di più, venite a seguire la mia sessione a WPC:
http://www.techdays-wpc2008.it/Session_Detail.aspx?SessionID=4