Hi Christopher, I think therefore i am prob incorrect when I say that the 2.1 has the floats mapped for textures and the 2.0 has the floats in yellow material colour. no idea if they work together. add the naval paints too your 2.1 model and see if they work. apart from the floats they will prob fit ok. if you have any probs with the float textures it is a 2 min job too do you some replacement float textures.
steve
steve