For Playtech – Casinoblasters are very good.
RTG – Inetbet and Wager Profits
Mgs – Casino Profitshare, Brightshare and Vegas Partners
As for carrying negatives, I will promote one property, if it is a good one that my players like. Consider this, some programs that carry negatives, also combine losses from one casino, with profits from another, so that’s a double whammy. I can’t see carrying more than one casino from such a group.