Compare the little stuff too. Some have the circuit printed every few inches. That's good when you cut the wiring shorter.
Most will work with Mopar components, some are GM only and will need mods.
Ask about all the connector ends.
Compare what your needs are future plans are to the size and type of fuse box.
Ron Francis was one of the first, and has continued to refine his product. Just like Vintage Air, I have to give them the first nod, since they pioneered the product, have gone through more generations instead of copying a sucessful product, and have stood the test of time, which means happy customers.