DSM vs Hub mount fronts

Can someone give me a run down of the pros and cons of DSM vs hub mount fronts?

My son has been racing a used parolin for a couple seasons with DSM rims and I’ve picked up a couple extra sets over the last few years. I’m shopping for a new chassis, and it seems everything for cadets is hub mount now. If I keep my spare DSM rims, how much is that going to mess with handling if I swap between them and hub mounts?