Was in Vegas for the weekend - had about $300 in buy-ins on table games & I don't think that's worth very much from a "ratings" perspective in Identity. I think you'd earn more points by spending $300 on room revenue. I did spend about $200 on drinks there - but only gave my card about 1/2 the time, so probably didn't really get any credit for that. I wasn't staying at the hotel (stayed at the SpringHill Suites near the Convention Center - way cheaper over the weekend!).
I'm a member of most of the programs in Vegas, as I used to live there. As a local, the best offers would come from Station Casinos ($25/$50/$100 match plays or free table game bets in the mail). I also did the Ramparts Rewards (at the JW in Summerlin - usually got good dining benefits there) - now that I live in NYC, I've got my best offers from MGM (rooms offers have been decent). I'm hoping that I'll get some good offers from Cosmo because the hotel is just a great hotel.
Definitely curious on others thoughts as well as I head back in October.