A quick search turned up a lot of places. Here are two:
http://www.fabriclovers.com/category...er-Fabric.html
http://www.trinityquilts.com/categor...ategory_id=290
Search for 'border prints' either using Google or any of the fabric search engines. There is more than stripes and novelty prints available, though Jinny Beyer is admittedly the best.