Seriously go for it...I love the retro look especially on us! (curves)...check this place out I love their stuff...http://www.pinupgirlclothing.com/
also try amazon.com they have alot of pin up plus size thats where i found mine last year nd i second the good luck ;)
Well when you say good start , are you referring to shopping wise?
If you have a facebook, I would look on TokenBlackGirls.com. Check out their page, They have loads of retro and alternative designers!