Whether you use the newest G5 computers or are still hanging on to those Quadras, if they're not working, you're not working.
QuarkXpress, Pagemaker
Adobe InDesign, Photoshop, Illustrator, GoLive
Filemaker Pro, Microsoft Word, Excel
Mac OS 7.5- OSX
Desktops, iMacs, MacBooks, Powerbooks, iBooks, G5, G4, G3, Quadras