I just bought the S3 about a week or two ago, and let me say it is a great camera. I don't know your level so I'm just gonna say it's a good camera for beginners that don't want to spend a lot of money and want more settings and options than a normal "point and shoot" camera. It seems to me that more and more cameras these days are just so automatic, there is really no hobby or difficulty in taking photos. The S3 IS is awesome, because shooting in manual mode is really good, like when I'm changing iso, f stop, shutter speed etc. there is a separate button to change instead of digging through menus. Another reason why its awesome is because the lcd screen is almost like a tablet pc mechanism, you can fold it in so it won't get damaged when not in use. The camera is nice and light also. Another thing is, the lens is sweet, the manual focus and macro buttons are right on the side of the lens so you hold it like a normal camera to focus. Macro mode on the S3 is sweet too, and super macro is even better. F stop isn't that bad for the price, and there are a huge amount of lens attachments for the S3.
However, there is one downside. No rechargeable batteries!!! The solution: drop $20 at your local drugstore for a charger and 4 ni mh batts.
PS you're pretty lucky to have found one for 289, i got mine for like 350.