I have a 2x 2.66 Dual Core Intel Xeon mac with 5GB of RAM. Running latest OSX. Lately, have been noticing slowdowns and, when using the Terminal, have been seeing a lot of Pageouts. For the screengrabs below, I had a fresh restart, and opened 5 layered Photoshop files in Photoshop each at about 100MB in size (dragged from Finder, not using Bridge -- Bridge was not open). As they opened, the Pageouts remained at zero. Right after they all finished opening, I saw the pageouts steadily climb to the number in the screengrab. I wasn't doing any other activity... and the number just kept climbing, and then stopped. http://www.pixentral.com/show.php?picture=13SIrCYj6pckPmlFBsnxe6yOL2VRT0 Also is a screengrab of my Photoshop performance settings. Is this common behavior? Suggestions on some remedies to try? Thanks. http://www.pixentral.com/show.php?picture=1RkddaYyrEVnGaPMyuxF4JhBG3YgI1 Any thoughts or anything suspect?