The decision is made

The .69 for the highway is EXACTLY why I want this tranny. It has many good things going for it, but I am running 4.10 gears and need a good overdrive to drive this car anywhere. I want to drive this car wherever I want to go, and 4000 rpm at 70 mph ain't going to make that happen. I will probably run it on the track a few times for kicks and to see what times I can turn, but this is a street car all the way. I want to drive!
If you go down the track just make sure you leave it out of O/D. If you take off in O/D, it seemed as though the trans would shift sooner (for better mileage).