Recommendation for 3rd party editing/syntax highlighting control - WinForms

Question

I'm looking for a quality WinForms component that supports syntax highlighting, code folding and the like. The key criteria are:

1. Stability
2. Value (price)
3. Ability to easily customize syntax to highlight
4. Light weight

Answer 1

ICSharpCode.TextEditor is free and pretty stable.
As for commercial solution Actipro's SyntaxEditor might be a best choice