When Fireworks was a Macromedia product I used it a lot. Somehow over time, I jumped to Photoshop. I heard Fireworks was a great prototype tool and every now and then I’ll do something in class with Fireworks and the students will want to know more about this program.
Here is a great article to give you some pointers on Fireworks. The Resources at the end of the article are worth checking out.
Give it a look and let me know what you think.