Looks like it off to good start. It should look really nice with all the resin and PE you are adding. Even though the Italeri 5-tons are pretty basic, with a bit of work, they can come out great. I have built a few over the years. Have you seen Vodnik's Super Detailing Article on them as well?
http://vodnik.net/pages/m923a1-mods/m923a1-mods.htm
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