Good moves for the Eagles, but not necessarily for other teams. With the Eagles roster, those two 7th rounders would probably struggle to make the team, as would a sixth rounder. A six rounder this year is pretty much considered equal in value to a 5th rounder next year, but for the Eagles, chances are the 5th rounder next year has a better chance to mean something to them.
Yes, I don't doubt that Herbig will stick in the league, I'm just not sure that he will be the star-quality player that he was at Wisconsin.