The Adobe Illustrator in just becomes the ideal companion to Photoshop. Actually it always was, but now designers are perhaps more easily discovered. That’s why we look for and resources for Photoshop, should do the same for Illustrator, and thus have nearly a collection of products that make us to design simpler.

VectorTuts+ published in a list with 60 brushes for Illustrator that would be a great starting point for download, all of excellent quality and variety of topics. Each package is accompanied by his example and the download link. Remember to read the license in order to avoid problems.