I agree with Owen: This is the year to go after a Left Tackle, assuming he is the best value available at #10. I don't see us picking any higher than the middle of the first round for the next few years, so this pick has to count. If there are no OT's that warrant a high first-round pick, I would look at the best available LB, again - he must be high first-round talent.
It's no secret that our defense allowed a ton of points last year, but signing Mario should go a long way towards fixing the "D". That being said, a top-notch LB would be a great addidtion to this team if we can't land our Left OT at #10.