318 30 over , Mild Cam, Performer Intake, which carb

Hey folks,
Picking up a mid 70s rebuilt 318 that is 30 over, mild cam and Performer intake. Looking for an electric choke carb to install for a daily driver? Figuring 600 CFM, right?

Holley?
Edelbrock?
CFM?

Appreciate any advice. Thanks.