Are you looking for fabric that has 'stripes' that can be cut to make a neat looking border? If that is the case I would look at the manufactures first to see if you see anything you like then search your LQS online to see if they have it. There are a lot of this type of fabric out there, but it is usually included in a line. I know El has designed several for her fabric lines. She does not label them 'border' prints so you will have to just look through her lines. Her site is
http://www.quiltinaday.com/default.asp I just did a quick look and did not see anything that jumped out at me. Maybe somebody else will have a better idea for you.