MY GUESS WOULD BE A LITTLE OF BOTH.CAN'T SPEAK FOR VEGAS SINCE IT HAS BEEN YEARS SINCE I HAVE BEEN THERE.BUT THE MID-WEST RIVERBOATS STILL SEEM TO HAVE A LOT OF CARDS TO HARVEST.OF COURSE MOST WILL BE THE CURRENT CARD IN USE,BUT EVERY ONCE IN AWHILE PERSISTANCE OR LACK OF A LIFE PAYS OFF.