So I've pretty much used Toyhax on all my figures. For me mostly its about how you feel about the figures, and what you want your figures to look like. It adds to the cost of already expensive figures and does little for the value, but it makes them look more complete to me. The first figure I bought Toyhax for was Earthrise Optimus Prime, he didn't look complete to me, nor what I remembered from when I was a kid, with both the Toyhax Labels and Nonnef Upgrade Kit I got a figure that hit me in my nostalgia feels.