Retrocomputing is usually classed as a hobby where enthusiasts often collect rare and valuable hardware and software for the collectible value or to have fun in the use of it. Many expensive systems like IBM Mainframes, DEC Superminis, or SGI workstations have now become affordable on the used computer market. Other vintage computers such as Apple IIs, IBM PCs, ZX Spectrums, Atari, Commodore, Amigas and BBC Micros are even more popular among collectors for sentimental reasons. I'd like to start …