Photos: Apple unveils new iMacs, apps

Apple is also introducing a new thin keyboard along with the new iMacs. The new keyboard has audio and video controls at the top, and is available in either wired or wireless versions.

Current Mac users who want to use the new keyboard with an older iMac or Mac Pro can buy the wired version for $49 and the wireless Bluetooth version for $79. Batteries are included with the wireless version.

Photo by James Martin/CNET News.com