I care little for the aesthetics. Casting numbers are for resto guys who also care about date codes. I don't see any real need for aftermarket heads looking like early heads - too small a market for business practicality. I see aftermarket iron heads as a viable alternative with just a few key points:
- Can accept the very common 70's accessory brackets (alternator). You know, that alternator pivot bolt with the spacer?
- Comes in a few basic chamber volumes, maybe 70/85/100, to pretty much cover CR's for 350-455.
- Heartburn chamber
- Threaded water crossover holes for screw in heater fittings.
Just the basics, no weird tall port stuff, or crazy options. Just good quality KISS stuff. Most street guys would be easily satisfied with a head that flowed 220-230 off the shelf. Those that wouldn't be happy are probably driving a race car, and just haven't come to terms with it yet.