My BCC Grand Championship of Poker set currently gets the most use (love those chips). Other tournament sets in the rotation include Paulson Grand Cardroom hot-stamped solids, and my ever-evolving mint/near-mint Paulson TH&C mixed-casino set -- currently existing of $25 Casino Aztar Caruthersville (secondary), $100 Casablanca Casino Aruba (gray 818), $500 Le Cove (fantasy), $1000 Empress Casino (primary), and $5000 ceramic Formal plaques.
Paulson TH&C sets that have never seen play (outside the casino) are Empress Casino (secondary/primary mix), President Casino on the Admiral (all mint secondary), Casablanca Casino Aruba, Grand Casino Biloxi (hot-stamps), Oak Tree Casino (RHC), Casino Aztar Evansville (RHC), and 20th Century Casino (fantasy set, mostly mint). Once the 20th Century set expansion has been completed (project in progress), it will move into the #1 or #2 spot. I also have a RHC-mold mixed-casino set re-label project underway, which will likely get added to the play rotation.