Correct....Supra/Toyota ECU's are a pain to work with. But if your going to go Standalone it may be worth a while to look at the EFI's as an option...just my 2 cents.
Correct #2
.....I agree that the 1200's would only be needed for +500hp goals. 1000's would be more than enough for most but some of us who are looking at bigger power goals should look at 1200's as a starting point.
Great minds think alike