I'd like to create a process that would allow the user to pair up every
possible combination of two items in an array and make a comparison of
the two (let's just say they pick the one they like better. I assume I
could use nested For-Next loops to do the work something but I'd like
input on three things:
1) Avoid repeating combinations, for instance: Compare A to B and later
B to A
2) Avoid comparisons to self: Compare A to A
3) Randomize comparisons. If using For-Next, it would first compare A
to all other options, then B to all other, then C, etc. How could I
skip around but be sure that All possible combinations are asked but
not repeated?

Thanks for the advice.

- John