We had a taster of what's to come for Autumn Carnivals in Sydney and Melbourne and we're talking three year-olds - colts and fillies - , the Blue Diamond conundrum and whether it's better to protect a winning streak or chase greatness... or is it possible to do both!

Miss Twinkle shined when winning her maiden at Riccarton last month and trainer Andrew Carston is hoping for a repeat performance when he returns to his local track on Wednesday with his filly.