Wood flooring is one of my favorite options. Look at these great examples of what wood could do for your
Isn't this a gorgeous entryway? You can learn more about it at Pioneer Flooring
This example shows mixing a variety of colors and grains. I found
this picture here.
This gorgeous example of wood flooring came from Boyle's Flooring.
Tiles are also very nice. Here's an example of Travertine.
This one is glazed porcelain from Lowe's.
And of course, don't forget all the styles and varieties of carpets out there! Go shopping, get samples, and have fun!