I didn’t mind the 330 pods. Yes they are smaller than 777/787. And yes you have to wear a shoulder belt on takeoff and landing. And yes the mattress cover covers up the shoulder belt in an annoying way. And no, you can’t change the firmness of the mattress. But I prefer the tray and prefer that I can sit next to my wife and chat comfortably (if we’re in the inside seats). For daytime flights I like them; for overnights they are maybe just a bit too small to sleep comfortably. Oh, and I like that they have the Do Not Disturb button you can press (though a flight attendant told me she didn’t even know it was there so it wouldn’t keep them from disturbing be).