The CB upgrades and the removal of Roy from most anything pass makes a huge difference barring injury.
Also I see us in lots of Cover 1 Man this year with TNew, Pacman, Jenkins and Scandrick with Henry/Watkins as the SS.
On Offense, we do need more speed when going three WR -- if only to spread the field and threaten the ssafeties.
While I love guys love Witten, Hurd and Crayton and TO ---- TO, Witten, Hurd and Crayton is wayyyyyyyyy toooooooo slow as a 3 WR set to scare a nickel or dime coverage unit. You could role up coverage really tight and blitz heavily versus that line up b/c other than TO no one is taking it to the house.
Schematically, I'd say Austin plays a big role in the 3 WR set if his hands hold up with Hurd and Crayton splitting snaps as the "possession WR" in the set. That puts a slight fear of God in you b/c Austin or TO can go deep or taking a crossing pattern 80 yards, both are that fast.
But looking forward to the season big time.