While getting drivers off Dell's support page I noticed a link to Dells recomedation for the proper order when installing drivers as part of a clean OS install. Thought it might be usefull to other hear.
System Manufacturer/Model Number Apple OS Windows 7 Ultimate / Snow Leopard OS X 10.6.4 CPU 2.8 Ghz Intel Core i5 ( Quadcore Memory 8 GB 1333 MHZ DDR3 Graphics Card ATI HD 5750 Monitor(s) Displays imac 27" Screen Resolution 2560x1440
Keyboard Logitech back lit Mouse Logitech MX Anywhere Mouse Case All in one Hard Drives Seagate 1TB Internet Speed Cinergy Metronet Fiber Optic