As for commodore being missed out, there was a tv movie by the BBC about Sinclair and Acorn a couple of years ago and from that film you could of thought that the only 8 bits of note in the 80s were the Sinclair Amstrad and Acorn. They missed out the fact that Commodore was dominating the market.
Are you talking about Micro Men?
That film was focused on the rivalry between Sinclair and Acorn for the BBC contract (which Acorn won, of course). If they were to cover the rest of the market at the time, then it would have been a 10-hour long biopic

There were also Oric, Dragon, Tandy, Jupiter Catab., Grundy, EACA, Mattel... the list goes on and on and on.
Also, I'd guess you're from the US? Commodore did not come close to dominating the 8-bit market over here. The dominant machines were the Sinclairs, with Commodore being next and then Amstrad - but in no way at all did Commodore dominate the UK market, and that's what the film was dealing with.