I have two friends who have the S90, and they are really pleased. I particularly like the ring that can be customised to rapidly adjusting everything from ISO-value to over/under-exposure. The censor is also very good, with little noise at high ISO. My friend took some pictures in the catacombes in Paris, and they were really of high quality. The fact that you can get a under-water case to it just adds up. Highly recommended.