No sarcasm at all in the question below.The finger swipe test will work. Just be aware that you apply very thin....I can't stress that. I AM a Collinite Fan....however, IMO there are better waxes out there and that is also from 1st hand experience. I will probably get quite a bit of thread bashing but just be aware that if you apply Collinite thick it is really tough to remove.
If you wax your vehicle on a monthly or 6 week basis you might be better off staying with the DP Max Wax.
Collinite is still a great wax and very price competitive. As long as you know thin is in you should be fine!
Obviously, personal opinions vary. I have 845 and 476, but I've only used 845 so far. I liked the 845. I also like Mothers Pure Carnauba, which is my favorite for no particular reason, but I'm not so sure it would outlast 845 or any other Collinite wax, not that it matters if you apply either of them often enough. Been wanting to try FK1000 too.
What's your preference of wax over any Collinite?