If you are a web designer, you always looks for a best layout. I found some of the site which are really useful for your design and here they are:
1. Brusheezy

Web Site
2. My Photoshop Brushes

Web Site
3. Photoshop Brushes

Web Site
4. Get Brushes

Web Site
5.Qbrushes

Web Site
6. Photoshop Support

Web Site
7. Brushking

Web Site
8. [...]