I like Sita Mongomery Interiors portfolio (here) as an example of how to decorate neutral and white rooms without them being boring. The luxurious materials, like the marble curved ceiling in the first image, make all the difference.
This photo is a good reminder that you don’t have to spend a lot to get great products. I used this rug in my last home and loved it:
A Few Favorites
These are a few more picks for price and quality: