new ibook, 30GB hd, nad i slapped in a another 256mb of ram before i turn it on the first time. After 3 buisenss day, it got here!! i love the interface of the os after using windows for long, is very efficient. my ques is.. if i slap in a 512mb stick (total of 726) be more noticable difference? smoother? or 1 GB of ram?