We're planning on using this carrara in one or two of our current client projects because it's just so beautiful and comparatively affordable. I think marble is great in bathrooms and is especially good on kitchen center islands. I would be comfortable with using marble everywhere in a kitchen because I like the way it wears over time, but I realize it's not for every homeowner.
I really love how carrara mixes with white subway tile (another affordable/timeless/gorgeous choice!). This kitchen was one of our hood style inspirations, but everything else is so, so good. I put some links below to help you track down some of these great products. Have you found a good resource for inexpensive subway tile in interesting sizes?