Apple has unveiled a brand new line-up of iMac desktops and Macbook Pro laptops.
The company's flagship iMac received a refreshed design which is much thinner than the previous generation, with an edge just 5mm thick.
The new iMac comes in both a 21.5-inch and 27-inch version, with the entry level computer starting at £1099.
Apple SVP Phil Schiller said the new computers made the old iMac "instantly look old".
The computers lack an optical disk drive, in line with the company's recent decision to ditch DVDs in favour of downloads for software, movies and music.
READ MORE: Apple Introduces iPad Mini
But Apple also said that the new computers would come with an option for a 'Fusion Drive', which is a combination of a Flash hard disk for running core applications and the OS X operating system, and a normal hard drive for storing files which are accessed less often.
Apple Keynote October 2012
Apple's announcement also included a new 13-inch Macbook Pro with a 'retina' display. The laptop lacks an optical disk drive, but is both thinner and lighter than the previous model.
The resolution of the computer is 2560 x 1600, which is more than an 1080P HD TV.
Apple said that the previous 13-inch Macbook Pro was the best-selling computer made by the company, despite the recent launch of 15 inch Macbook Pros with Retina displays.
Apple also announced updates and price cuts to its Mac Mini desktops.
The announcement was introduced by Apple CEO Tim Cook at an event otherwise dominated by the announcement of the iPad Mini in San Jose, California.