CBS Colecovision, ZX81, ZX Spectrum+, Commodore 64, Amstrad CPC 464.
The Atari STf AKA the «Jackintosh» was my first computer with a floppy drive, my first WIMP and also my first 16/32 bit computer. I had great time with it. It was magical. This has been possible because Jack Tramiel wanted to build computers «for the masses, not for the classes». Thank you Jack.