Over the years we've come across a few signs that pointed to the possibility of touchscreen-enabled iMacs, but Steve Jobs had already dismissed this as a possibility for current Mac form factors. Quoting the man at the "Back to the Mac" keynote from two years ago: "It gives great demo, but after a while your arm feels like it's going to fall off. Touch surfaces want to be horizontal." So perhaps our fantasy's still stuck in the "
