Sweet (and free) Panel Control for WinForms
This is one snazzy WinForms control, and you can't beat the price:
PureComponents NicePanel for .NET WinForms V1.0
http://www.purecomponents.com/products/nicepanel/
PureComponents NicePanel is container component of active look, which will enrich your applications. NicePanel has header and footer, which widen its usage. Using gradient fill and color schemes you can easily and quickly set nice look, which can be further enhanced with images from integrated Clip Art or from file.
