I'd go the brown as you could wear it easily as separates; and since spring is coming up why not? (brown is one of my favourite colours so yeah....kinda biased) Wider lapels cuz why the hell not :P
Would go with the chalkstripe as second as they are just so badass!
Lastly the grey, as I only like grey SC in herringbone patterns; preferably tweed and even then I think they look best on an older men!
im definitely getting the first two .. still considering the grey.. got plenty of time