I'm interested in the new iMac but could not work with a glossy display. Can anyone share their experiences of using the iMac with an external display? In one respect it seems like a waste to have two monitors but the base model costs little more than the maxed out Mini and seems like the better option. I would be interested in seeing photos of any setups featuring the iMac and an external display. Also, is there a way to turn off the iMac display when using an external display?