Fast Ez-Efi??

I have been looking into these also, and it seems like the three bolt and go choices are

http://www.professional-products.com/EFI_3.php

http://www.holley.com/550-401.asp

http://www.fuelairspark.com/ezefi/default.asp

I have been researching all the systems for a while and they all seem to have there problems with the Fast Efi with the most(based on the internet forums and seems most people have), Holley being the newest. Powerjection (Retrotek) looking like a carb setup. I dont want to spend the money on the wrong set-up but this is going to be my early Xmas present and xmas holiday project.