According to this press release - New owner is Eldorado Resorts. Previous owner was Isle of Capri Casinos.

According to their website, Rainbow Casino is now know as the Lady Luck Casino Vicksburg

Added Option to 25¢, 50¢ SP : 99.54% JoB location and game details are unknown

New: $1 : 99.58% TDB location unknown

Player's Club Update

Reportedly, also have the new spin wheel poker any trips+ gets to spin the wheel for 10 play KKK or 100 play 2 pair, 3 play 4 to the royal and so on.

New owner effective 6/9/10: Isle of Capri Casinos, Inc. Article here.

Rainbow Casino in Vicksburg -- Visited on a 1 night stay driving thru - JB triple plays are only .25 and .50; no dollars and not full pay on .05. The only progressive is $1 9/6 double double. Spinpoker is correct. Did not see anything about quad 7's but did not ask. They did comp room which was an AmeriHost Inn connected to casino on $24,000 play; room was $70; cashback was $100. @ .41666? $12 per point, 100 points =$5.00.

*** MIA - *** 5c/$1 (3 Play) 9/6 JoB.

$12 coin-in to earn a point for video poker and $10 for slots.

Quad 7's pay double @ Rainbow.