Fizban's first impressions

[Unoriginal]

Are greatwyrms a step above ancient or something else?

Not sure how they are lore-wise, but in term of power they certainly are.

I actually really appreciate the updates to the Dragonborn. They did a really, really good job with that. Enough to make it a solid choice but not overwhelming like Tieflings.

First time I've seen anyone say that Tieflings are an overwhelming choice or anything similar. Would you mind elaborating on what you think the (new) Dragonborn does right and the Tiefling doesn't?