Italian Restaurant?

Visiting Vancouver with my folks and young children. They have pretty simple tastes and are happy with classic pasta with meatballs.

After reading recs and reviews, I’ve made reservations at Di Beppe, Lupo, and Savio. I’m spinning trying to figure which to stick to. Can anyone here steer me the best choice for us? And is anyone familiar with dress codes?

Thanks so much in advance for helping me finalize!