i sincerely apologize for predicting the imac 2012 launch date wrong, YOU were right, i was wrong. i repeat, i sincerely apologize.
however, i dont apologize for getting the update characteristics wrong. it seems to me that we both were wrong expecting the usual specification update, and im glad.
ivy bridge
gtx680m (10-15% better than 7970m)
retina 3840x2160 (27')
thinner
redesign
probably odd-less
usb 3
bluetooth 4
cactus ridge thunderbolt
maybe even IEEE 802.11ac
WWDC introduction
mark my words 😀