The great thing about ERA is that you get to put your deposit down and then have some time to think (save) for options.
Go for the twin paxton supercharger option!
What is your budget?
I know others will jump all over me for this, however, the outward brakes are really nice, but not needed if it interferes with other items on your wish list. Inboard brakes help to stop the car pretty well and have been doing so well before they offered this option. Go big with the front brakes regardless.
1) Powder coating
2) Bond and rivet by ERA (they know what they are doing have them do it)
3) Assemble roller (unless this is what you want to do)
4) 6-pin wheels only if you will be doing 95% street driving.
5) Pipes (location and mufflers) depend on your tastes and who you want to drive with (you married?
)
It might be easier to pick the options you shouldn't get!
I have a spreadsheet with the options on them I can send to you for pricing out car. Give me an email and I will send it tonight.
Jamie