Originally Posted by fris

here are some paid icon sets.

http://www.fasticon.com/

http://www.icojoy.com/icons/

http://www.iconfish.com/

http://www.mezzoblue.com/icons/chalkwork/

http://www.deliciousicons.com/index.html

http://graphicriver.net/category/icons

http://stockicons.com/collections/

http://www.iconeden.com/icon/category/premium

http://icondock.com/icons


here is a free site that lists icons

http://weloveicons.com/

hope that helps