A winter campaign in Brisbane awaits expensive colt Imperial Force.

Chris Waller is positive Roots fits the right profile and has the credentials to win Saturday’s $1.5 million Railway Stakes (1600m) at Ascot and claim an elusive Group 1 victory.

Sydney Group 1 now a standout lead-up to Caulfield feature

Leading trainers Ciaron Maher and David Eustace will have four contenders in the Caulfield Guineas.

Militarize will be out to add to his Group 1 record in the Caulfield Guineas.