Hi Gareth, that is a tricky question.
All the routers on your short list are good quality routers that should serve you for many years.
That is like asking, "I want a mid size sedan, should I buy a Ford, a Chevvy or a Toyota"
I am happy with my Makitas and others are happy with Bosch and Hitachi.
PS, I am also happy with my Toyota,,,,,,,,VBG
I don't mind if other members disagree with my comments.
I don't profess to know everything, and I may learn something new.
"Never attribute to malice that which is adequately explained by stupidity."