Well Photofiltre has the ability to do dust reduction, but by the time it starts to get rid of the dust you' re at the point where its best just to tweak the colors a little and call it a painting instead of a picture.
It is a Casio EX-Z1000 - and I have no idea how to really work it lol. I think it has a 3x opticle zoom limited by the fact it is 3/4 deep. - also have no idea how you zoom onto a object.