Currently I'm using Photoshop CS3 on a Mid 2010 MacBook Pro (2. GHz 8 GB RAM) running 10.6.8. That works fine but using the computer for other things gets, as I'm sure most know, worse by the week. Because I've always used my computers primarily for art and music projects and have never wanted any of the "improvements" the manufacturers keep adding to programs, I've always, since the 1980's, used the oldest versions of any OS I could get away with. I still like OS 9 better than anything that followed. Are there any members here that are using a computer like or near my computer's vintage that have experience using CS3 with versions of Mac OS after Snow Leopard?