While the o-line needs to be addressed, it is most definitely not our top priority. All the teams in the superbowl have multiple weapons in the passing game who can take the ball to the house on any play. We have 1(?) with Tedd Ginn. Teams don't respect our passing game and so they blitz because they know our receivers won't get open in time. With this in mind, making o-line the top priority most likely wont even fix this issue because I don't think the best o-line in the league could buy enough time for our receivers to get open.
And it's not like we can only address one position every offseason. I believe we can address WR, DB, and OL with a good free agency and draft.