Hi! New here so help me out please. I've got and Ofna Dominator/Tmaxx Hybrid with a Picco .27 but the Picco isn't doing it for me. I want a new engine and am looking at the Collari .32, Sirio .30 and really the RB TM928 .28. Maybe the Novarossi's or something. But really those. All feedback appreciated. Thanks!