THE first four home in last week's Group 1 Albion Park Gold Cup have been invited to contest the four-dog Superstaters 710m on July 5.And the connections of Miss Grub, Miss Brook, Ellie's Diamond and Flashing Floods have all indicated a willingness to run.Brisbane Club general manager Luke Gatehouse said the trainers of the respective runners had until June 25 to accept the invitation.The Superstayers, sponsored by Hawkins Media, will be worth $20,000 with the winner to receive $15,000, second $3000, third $1500 and fourth $500.Miss Grub, Miss Brook and Flashing Floods are all off to Victoria to contest the McKenna Memorial at Sandown."I have already been told by the Dart, Felgate and Edwards kennels they will be certain runners depending on everything going to plan in Melbourne, and the Flashing Floods kennel is keen to run as well," said Gatehouse.The Superstayers 710m follows on from the great success of the Black Enforcer Queens of the Creek last year won by Miss Brook.The four invited bitches have won 12 Group races between them with only Ellie's Diamond not a Group 1 winner.