First of all, thank you for taking this topic seriously and not dismissing OFC as a bracelet contender. I appreciate your taking time to try to find a solution. I run the website Open Face Odds and I am very interested in seeing the game thrive and a betting variant (or several) come to light.
I think you are going to see two trains of thought developing: Pot-Limit a la PLO (Pineapple OFC), and Limit a la Stud (Standard OFC, most likely, but possibly Pineapple as well). My friends and I have been experimenting with a Pot-Limit Pineapple variant and I have to say the initial results are