We took inspiration from a favorite children's book (Dr. Suess's Cat in the Hat) to help us decorate our nursery.
Our sons room looks a lot like this:
http://www.noahsroom.com/The stripes help his vision and the colors and dark and provide a nice contrast. Plus, everyone who comes over says it's sooo cute and since we did it ourselves it was very inexpensive.
Whatever you choose, make sure YOU love it...because you'll be spending a lot of time in there, too!