I had a "Guidon" brand top like that years ago.
It was Pretty Neat! Fit Good, Looked Good, and Keeps you Quiet and Warm.
However, you will not be able to use the back seat at all. You could leave the seat in, you would have to remove the top to have a passenger sit in it. (not the end of the world, just pointing out an issue)
It will basically make your Samurai a 2 seater with a lockable bed, like a hard bed cover that hinges.
If you like the pictures and you understand that your rig will be a 2 seater, Get It! It's Cool!