Welcome to the forum!
Knowing what you want, and being open and honest with each other about it before "diving in with both feet" is a very wise move, in my opinion. Sounds like you are approaching this very well.
I think that you won't have too much problem finding guys that are interested in starting a relationship with two bi women - a lot of guys have that fantasy.
Please check out The Birdcage - an open, friendly Polyamory forum for all parts of New York State
"Listen, or your tongue will make you deaf." - Native American Proverb