Metallic epoxy floors are hot right now but decorative concrete installers must know how to work with metallic epoxy and metallic polyaspartics. Read Concrete Decor magazine's article on metallic epoxy tips and techniques.
Penny Floor - don't know if I would have the patience for a whole floor. but a coffee or patio table would be nice! Also an easier way to do it is to put out the pennies then flatten then by, I don't know, maybe a broom or some thing.
modern home decor -- we would LOVE a wood sliding door. Sliding doors like these ones can really save space in rooms. These are some of the coolest sliding doors we've ever seen - they even added a coat hook!