Designed in 1972 and released in March 1973, Xerox Alto is a revolutionary machine built by Xerox PARC (Palo Alto Research Center). The innovations brought by Alto included the first-ever Graphical User Interface, LAN, optical mouse, and high-res bitmapped display. The Alto was also the first computer to use a laser printer, an invention also by Xerox. The Xerox Alto wasn’t a commercial computer, it was a research prototype used by universities and the Xerox PARC itself.

Released in April 1987, the Amiga 500 is a legendary multimedia home computer manufactured by Commodore until 1992. The A500 offered the same CPU and chipset as the original Amiga 1000, however, it had a considerably lower price tag.

Released in late 1989, Atari STE is a multimedia-enhanced ST. The 68000 CPU remains the same, however, the STE features several improvements such as a new operating system, hardware graphics, 4,096 colors, and significantly better stereo sound.

Released in October 1990, the Macintosh LC is a low-budget personal computer manufactured by Apple until the spring of 1992. The LC stands for "Low Cost" and Apple sold it to schools for almost the same price as an Apple IIGS.

 Released in March 1987, the Commodore Amiga 2000 is a multi-featured business machine based on the MC68000 CPU. The A2000 features OCS hardware graphics, PCM stereo sound, multitasking, and a GUI. The model was discontinued in 1991, shortly after Commodore released the Amiga 3000. The A2000 is a very expandable computer and the first Amiga with a Zorro II bus. It was designed with an open architecture, something that led several government organizations, such as NASA, to use it for various tasks.