Grew up eating weetabix. It's like heaven to me. Especially warm.
But the best tasting cereals I love here are honey shreddies and chocolate shreddies in a bowl mixed together. But I could eat the two boxes in one sitting, therefore, they don't venture into my household very often. In fact, most cereals can't enter my house often, otherwise, I eat far, far, far too much. Granola. Oh goodness. Yum.
Back to the OP, I think similar-esq cereals are:
Mesa Sunrise
Country Barn Special Flakes
Rude Health Multiflakes
Quaker Oat Crisp