Alan, I don't know if they still do it, but Cosmo was matching Seven Stars to their highest tier (Platinum), and you even got $100 freeplay for it.
This was years ago, but you might want to inquire about it.
Here is a list of casinos that Seven Stars Insider put together, but notice that this list is east coast heavy, since that's where the author is from: https://sites.google.com/site/sevens...evenstarstrip2