iMac 27 (2012) review (Spanish link)
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iMac 27" (2012) review (Spanish link)
Since I have no money to buy the new iMac (I'll settle for the one I have, mid2011), I link to a dense article about what we offer the new iMac's.
Link: Aplesfera If you want to see what he can do to make your graphics accelerator, you can lick your monitor with this link: youtube