I didn't mean to replay using the same number of grid squares and units, I meant to replay using the same (roughly) table size and number of stands.
So here we are with 12*12 9cm squares and 11 single stand units compared to the original 9*9 5" squares and 6 units totalling 11 stands. Given that the scenario calls for units to be 1/9 to 1/6 of the board width, this maintains that density of troops but with greater flexibility. It also better represents what I am aiming for. Of course, now I don't have time to play! Maybe tomorrow.
The rules will be an expanded, slightly down scaled, version of the "Square Major General in the ACW" used to fight Gettysburg last year. Since it will cover more than the ACW the tentative working title is the "The Minie Major General".