Subscribed. Like the rims. Like the grill blocking. Although I know you must have heard this, the tank-to-tank data can't really be thought of a rigorous enough to confirm a FE benefit from your speed holes mod. You'd need A-B-A at least, probably using coast down testing. Got an old '02 Si rear cover laying around somewhere?
But in the end, we have to love what we drive, whatever we drive, since we have to drive so much. And your car looks great.