An old thread, but one I couldn't resist voting on. Any chance one gets to slag off this platform is a temptation I can't ever resist. (LOL rkauer)
I was gutted when the AGA Machines appeared with cheap Stereo sound & saw the Falcon appear with DSP if I recall correctly. Its been a while, but yeah, as an OS, it sucked more than someone trying to blow you through 40 feet of garden hose. Poor support (hence why the games were cheaper), but used widely as a cheap solution for semi-pro music editing.
My first choice should really have beeen "The Atari ST was complete crap!" I did answer "It was kind of OK, but inferior in many ways". I wish I'd chosen the first to boost the crap factor on the poll now.