I was 5 or 6 when I visited my first all-you-can-eat restaurant, King’s Buffet, in Cheyenne, WY. I loved a good buffet. For that matter, I loved the mediocre ones too. And my waistline never recovered. I stopped eating at them decades ago. Many are out of business, with Golden Corral among the few survivors. But it looks like they may be getting some new all-you-care-to-eat competition, but these updated versions offer a slight twist…