okay...i really need to clean out my tibook...you know digitaly (not physicaly with windex or whatever).....its gotten a little slower in the past couple of weeks... however i dont have norton or cleaner 5 or whatever software...just the puter and i. what can i do? i know on the pc....you use frament disk or sytem tools to help you...what do i use on the mac? anyone got a link to some freeware that cleans up some crude? if so post it...i would to use it. also it must be compatible with os x or whatever. thanks for the help in advance.