Overall, I am pleased.

started largest size with US 6, 8. The knit fabric is not as dense as I think I would like, but the size is right so I shall continue.
finished one chart repeat in an evening. This will go faster than I expected. gotta love baby sweaters.
plan to pick up sts for sleeves rather than seam.

sewed the shoulders all up and it was too small to fit over his head. had to un-seam one shoulder a bit so it could be slipped on. had planned to do snaps but decided to just leave it as the snaps would have showed through. It seems good, but was too hot for a photo shoot. I do kind of wish I’d made the arms a wee bit longer.