Letting Apple control most facets of your computing experience is just a fact of life for the Mac faithful, but the company may have gone too far for some with the most recent iMac refresh. Want to swap out that hard drive for a bigger one or replace a dead disk? You've got no option but to go straight to Apple thanks to a new proprietary cable and special firmware. The standard 4-pin SATA connector has been replaced with a 7-pin configuration that keeps you from hooking up just any old hard drive, and without that magical firmware the iMac won't even boot. Remember, this is the company that th