World's first portable computer weighs 60 pounds, is built like a tank, and runs only on AC power. http://www.computercloset.org/ibm5100.htm Key Dates: Announced September 9, 1975 Original Price: $8975 to $19,975 depending on memory (16K, 32K, 48K or 64K) and language (APL, BASIC, or both) options CPU: IBM circuit module Operating System: BASIC and/or APL Input/Output: Built-in 5" monochrome monitor with 16-line by 64-character display; built-in tape drive with 204KB capacity; proprietary printer connection for 5103 printer and 5106 auxiliary tape drive Its a computer and a pretty darn awesome one compared to the first portable computer. I'd say the price is pretty good also