The sh404sef and JoomSEF plugins support multiple categories now. See an example here .
This demo runs the free version of JoomSEF. Download it here .

Categories starting with E

Electronics (21)

All products in one place

Items starting with E

Easypix

Easypix

A teaser description with a few lines of text. Lorem ipsum dolor sit sed diam nonumy vero.
Essential ActionScript 3.0

Essential ActionScript 3.0

A teaser description with a few lines of text. Lorem ipsum dolor sit sed diam nonumy vero.