Actually i am using samsung galaxy S Vibrant from T MOBILE,USA. its 99.99% similar to galaxy S I9000.
Looks, camera, multi tasking, sound and video is excellent, huge database of android application, good web browser,
Some times hangs, can not close application unless u have any task manage application,during texting its lengthy procedure to move cursor,GPS problem sometimes.
i recently bought this phone its very good .. osm degisn but s2 is better than this..
Very good android market, High battery