I had an Interstate Megatron in a gasser a while back, great battery!
The rides now have on Optima (since '01 I think I've had it), Diehard Int'l in the SD, Diehard Gold in the F150, and that same AutoZone one in the L. I'm very pleased with the performance of the AZ battery for the cash. Car sat for two weeks then started up like it was a few days only.