Ya JJ they sucked last year, we all know that. But w/less 7 step drops, and a more run/pass balanced O and audibles and roll outs they will go from awful to slightly below average. Add to that CW and Carimi being healthy and you might just have an average line.
I know it sounds silly, but look how much Romo's ability to move around helps the awfull Dallas O look good. They think they got a steal w/Orton as the backup, but his inability to move around is going to crush Dallas b/c their OL is so ineffective. Cutler and Campbell both are mobile enough to get outside the pocket and throw the ball or run and that is going to be a huge advantage now that we have an OC willing to use it.