Cool and useful Fireworks Cs6 features

Improved CSS support
You can now extract CSS code using the Properties panel, create CSS sprites from design comps. You can also export layouts with external style sheets and mock up complete web pages and in a single step.
Faster access to color and effects
You can switch quickly between solid, gradient, and pattern color effects. You can achieve better control and precision by filling and Stroke dialog boxes by applying opacity control. You can also change colors quicker using the improved color swatch.
The new jQuery mobile theme skinning support
You can modify, create, or update jQuery themes for mobile apps and websites including CSS sprite images.