On Thu, 13 Dec 2007 01:40:50 -0300 (ART), Francisco wrote: > I'm using OS X Tiger, > What is not being good is: slow when playing youtube > videos, or when i'm using MSN Messenger with 3 or 4 > window of conversation, itunes goes slow too, slow to > run small java applications (i'm programmer), slow to > run thunderbird mail > client, slow to view some webpages, like ebay.com I'm not sure, but it seems to me that iTunes and Thunderbird should be working OK on a 500mHz machine. YouTube could be slow, but the speed could also depend on the speed of your internet connection. I'm not being much help. . . . . . . . . . . . . . . . . . . . . . . O'Brien