My gearbox cost isn't a good example for u as my gearbox builder charges me less than half of what others are here in Australia. So thats no good to u.
The ECU is a Microtech, it was $1000 5 years ago.
http://www.microtech-efi.com/product/9.html
i also have the dash unit
http://www.microtech-efi.com/product/2.html which for the price is incredible value.
regards
Jak