Plse compare Valco Twim vs. CJ Twim vs. Mt Buggy Twin

[afroomberg]

When DC2 is born DS will be 22 months. He is tall and heavy for his age. I live in NYC and walk EVERYWHERE.
Which of these steers the best?
Least bulky? fits through doors the best?
Easiest to push?
Most comfortable for the little ones?

Any comments on all three are appreciated.

THANKS!