Unfortunately I feel the same. What we are doing in Preseason will be much like what we are doing in the Regular season. Miller Light stocks might go up that quarter.
While I think that our interior Dline might very well struggle, I'm not as worried about our Oline until Otah actually doesn't play in the opener.
I'm also not worried about the play calling, preseason is a time to work on specific areas of the game, the gameplanning, even for the third game, isn't anything like it will be for the regular season and the play calling mix isn't as well.
Our run game a huge focal point of our team and we haven't been using it that much during the preseason and I don't think it's because of it's ineffectiveness, we've actually had quite a few really nice runs, as well as a few not so nice ones. However, overall the run plays have been very vanilla without much innovation and I believe that will change, as well as the passing play calling. We've seen flashes of it, a few designed runs have really caught my eye as well as a few nice short pass routes, such as the motion TE out to the left to Shockey on 3rd down today.
Preseason is a time to evaluate individual performances and as such much of the gameplan is designed around being able to do that. In the regular season you gameplan around your strengths and away from your weaknesses, you don't do that as much in the preseason because you are trying to figure out what exactly they are, and to what degree.
Just because Foxball from last year (and not just Foxball but horrible dumbed down, uninspired foxball) has everyone worried that the play seen in preseason will mirror regular season doesn't necessarily make it the truth.