Coffee Brown Acid Stain Floors. This site is the most helpful I've found so far.

How to: Acid Staining Basement Floors -

Stenciling gives a plain floor a updated look for a fraction the cost of tile or hardwood!

Stenciling a Concrete Floor

Kitchen Idea - Died and polished concrete

Home Remodeling Improvement -15 Kitchen Design Ideas Under $10,000

Close-up of Skylar's Lace Floral Stencil from Royal Design Studio

Skylar's Lace Floral Stencil