Many of the mock drafts floating around B/R do not account for the very real possibility of teams trading their picks to better fulfill some of their team needs.
Free agency and trades will start shortly with Judge Susan Nelson's ruling, denying the league's motion for a stay—essentially pausing the lift of the lockout. It is unknown when the league year will start, but the NFL has said that it will send out a timeline for the start of it tomorrow. One report, from Pro Football Weekly, claims that the league year will start early next week.
This means that free agents can talk to teams, teams can communicate with other teams about trades and perhaps most importantly, teams can potentially trade their newly-picked players for established vets once the league year starts.
All of these possibilities could dramatically change the landscape of the draft—teams might not have to draft for need as much after all.
With all of these new possibilities, I think many teams will explore these avenues that they have not yet had access to this offseason.