months of speculation, Apple has unveiled some completely new iMacs, featuring 21.5-inch and 27-inch 16:9 displays and all-aluminum enclosures. The new widescreen IPS panels are LED-backlit and have 178-degree viewing angles -- the 21.5-inch iMac has a 1,920 x 1,080 resolution, while the 27-incher comes in at a staggering 2,560 x 1,440. Ports are the same as the outgoing model with the addition of an SD card slot and video-in on the 27-inch (via a special cable), and the wireless keyboard is now standard (as is the all-new Magic Mouse). Pricing tiers haven't changed much: there's a low-end $1,199 21.5-inch model with a 3.06GHz Core 2 Duo, NVIDIA GeForce 9400M graphics, 4GB of RAM and a 500GB drive, a $1,499 model that bumps things up to 1TB of storage and ATI Radeon HD 4670 graphics, while the base 27-inch config starts at $1,699 with the same bumped specs. All of those can be custom-configured with up to a 3.33GHz Core 2 Duo, but it's the top-end $1,999 27-inch model that'll bring the real heat when it ships in November; it's packing a 2.66GHz quad-core Core i5 processor (with a 2.8GHz Core i7 available for $200 more) and Radeon HD 4850 graphics. Not a bad little refresh -- but it looks like all you Blu-ray fans are going home alone again. Check the full specs list after the break.