Just wanted to comment on paint finishes in general since there seems to be a fair amount of confusion. For Benjamin Moore or Sherwin Williams, you can always go to the TDS sheet for any paint and it will give you the amount of sheen as a % at a certain angle. This is much more accurate than the store sample display.
The amount of sheen varies between brands and different lines within each brand. For example, Benjamin Moore "eggshell" in their contractor grade of "Ultra Spec 500", is lower than in their designer grade of Regal or Aura. Also, less scrubbable and harder to "touch up".
To make it more confusing, their newer paint - Scuff X - (which I really like) is part of their Ultra Spec line!
I believe SW paint has their TDS sheets posted on line as well. I have never used SW paint, but read many comments that SW sheens are lower compared to Benjamin Moore and others. This is most likely due to "lower solids". % of solids is also listed on the TDS, so easy to compare.
If your builder lets you pick the exact paint, always go for the best quality paint. The labor is the most expensive part, and should be the same regardless.
Mary Elizabeth