Actually, it's the other way around. the Italeri kit is a rebox of the Esci/AMT/ERTL kit. There are two major problems and a couple of minor ones with the kit. The cabin doors have drastically different sized windows and the engine cowling is much too wide. the tailboom is also too fat at the fuselage join.
As fara s markings for Ft. Rucker trainers, I like the idea, but there are no decals available just for them that I am aware of. However, you should contact Joseph Osborne at Fireball Modelworks and he can probably do a set for you if you have refs. I can supply plenty of photos of Ft. Rucker trainers if you are interested. Fireball also makes several update sets, including a set with corrected doors for the Esci kit.
Hope that helps.
Ray
Fireball Modelworks address: http://www.fireballmodels.info/