Well, now you get your chance. For a limited time (February 4th, 2005), you can download and install Version 1, 2 and 3 of Lotus Notes (pre-Domino). This is to celebrate the 15th Anniversary of Lotus Notes and comes to us courtesy of Ed Brill and his colleagues. (Thanks Ed and colleagues!)
Jump into the Wayback Machine and take a look here for download information.