It may seem obvious to you, Tex, but it's just your opinion.
I think Joe's waiver-wire pickup of a TE is very interesting. I was thinking along these lines in terms of guards/centers - if someone cuts a guy who's a notch above Rolled Royce, I could see the Packers grabbing him.
I also think one or maybe two of the rookies will magically have sustained a season-ending injury and will be placed on IR. I'm thinking maybe the safety, Johnson, and/or Wicks.