Apple’s Phil Schiller showed off a new iMac today at Apple’s big event. According to him, it’s the most beautiful Mac Apple has ever made.

As you may have guessed, it’s really thin. “It’s absoultely beautiful,” he said.

Actually, its 5mm thin – 80% thinner than the previous generation.

“There’s an entire computer in here,” said Schiller. “Hard to believe there’s a display in here.”

It has edge to edge glass, and uses up to 50% less power when sitting idle.

The enclosure is made of a chin and an aluminum back, put together with advanced laser welding (friction stir welding, which involves molecules of aluminum being merged together to make on piece). The display is laminated directly to the glass. The entire display is 45% thinner. Apple has removed the optical drive and completely re-engineered optical components.

It comes in two display sizes: 27-inch (2560 X 1440) and 21.5-inch (1920 x 1080).

The new iMacs make use of Intel’s Ivy Bridge Core i5 and Core i7 processors, as well as FaceTime cameras, dual microphones, NVIDIA’s GeForce 600-era graphics, up to 32GB of RAM, and multiple storage options (hard drive or flash.

Apple revealed Fusion Drive, which includes 128 GB flash storage, 1 TB or 3TB HDD, fused together in a single volume, with faster reads and writes. “You order it and get a single drive,” said Schiller.

The whole thing, of course, comes with a wireless keyboard and mouse.

The 21.5 inch model starts at $1299 (2.7 GHz quad-core, i5 8GB RAM, GeForce GTX 640M, 1TB HDD). It ships in November. The 27-inch model (2.9 GHz quad-core i5, 8GB RAM, GeForce GTX 660M, 1TB HDD) starts at $1799, and ships in December.