It would depend on his ability to recruit. He is a good coach in close games. He gets his players to really play hard. He recruits shooters and players who gel together.
Officially he has the 2nd highest winning percentage in NW history and has easily the most accomplishment.
In comparison, Bill Foster, who some may remember at Duke before NW, was a complete flop there after having several strong Duke teams.
Give NW Martineli, Barnhizer, Kaufman-Renn, Kelel Ware, and Boo Buie. That is very close to what he could bring in at IU. He is a smart guy, has excellent play calls but also gives his guys some space kind of like Izzo does.
I wouldn't say Collins would be my first pick, but I think he could win a conference title or 2 at IU.