Think of these writers in terms of two lines of a family tree, one carrying the deadly lightscribe gene, and the other without
The 4163B, 4167B and H10A seem to be part of the same line of writers (which have no lightscribe ability), each being an update to the previous. They all based on a later model of the same chipset (renesas) and so have similar features. In order of succession (from earliest to latest) :
The 4166B has lightscribe ability, which the above writers do not have. It is based on a different chipset (Panasonic) and has slightly different features. Its successor is probably the H20L, which also uses a Pansonic chipset.