Those 'older' players include captain Suzie Bates, 29, rated the No 1 player a year ago by Wisden, Amy Satterthwaite, 30, and Priest, 31, coming into her 10th year in the national team.
"We've had a pretty good couple of years as a group. We started to build a good core group and obviously some of the young players really stepped up in Aussie."
Take 16-year-old legspinner Amelia Kerr, who marked her second T20 international with a diving one-handed catch and figures of two for 16 as Australia were flattened for 66 in the decider in Adelaide this week.
Throw in fast bowler Lea Tahuhu, 26, who is making an impact. Priest was delighted to have her at the Melbourne Renegades in the women's Big Bash this summer and she rates among the quickest bowlers in the women's game at around 126km/h.
"She was fantastic in the Big Bash. She's worked really hard just to get it right, she bowls in areas that are quite difficult. She's a scary bowler. I try and hide from her in training," Priest quipped.
Tahuhu and Holly Huddleston formed a quality new ball pair in Australia, taking a combined seven for 94. Whether there is a mental hurdle in beating Australia over 100 overs remains to be seen, but New Zealand appear to have as good a chance as any in recent seasons.
Rosebowl Series
Game 1: Eden Park Outer Oval 11am tomorrow
Game 2: Mt Maunganui, 11am Thursday
Game 3: Mt Maunganui, 11am Sunday