Data General has a neat "museum" of influentional systems. Find the personal computer section at: http://www.dg.com/about/html/microprocessors.html Here's the machines they feature (with pictures) MITS' Altair 8800 (1974) Apple II (1977) Tandy TRS-80 (1977) Osborne 1 (1981) IBM PC (1981) Compaq Transportable (1982) IBM PCjr (1983) Data General's DG/One (1984) Sun 3/50 workstation (1986) Data General's AViiON AV 9500 SMP server (1989) -Mike