He may be purchasing a new Cirrus jet. Interesting that people immediately jumped to a conclusion on ex military types. So on another assumption that it is possibly one of the new generation Jets, I would suggest that it will be experience that will ultimately count. So, after PPL, IRr, or IR, with a night rating, and at least 250hrs under your belt. Naturally you could technically go straight on them, but for the sake of longevity, I would not advise that. If you have the pockets, the producers offer full training packages, as you purchase. Certainly worth looking into. Good luck with your PPL.