History of the Apple Mouse via The Loop
“A year before the Macintosh was released, Apple’s Lisa introduced the concept of a GUI and mouse to Apple’s customers. Often considered to be ahead of its time, the Lisa also offered protected memory, limited multitasking, hard disk support and more. Ultimately a failure, the Lisa was priced at $9,995.”
Stephen Hackett takes a very interesting look back at the Apple mouse over the last 25 plus years.