Well, so far for this build, I've gotten the 29 Roadster and the Roadster Chassis Speed Equipment pack from Atlantis.
Going with a flathead. Not sure about the build, thinking I might go with the tubular front axle and solid radius rods or maybe the opposite extreme with the dropped axle from The Parts Box.
Still need to get ahold of a 40 Ford Standard Coupe at a decent price...