The two together, of course.
mdma.........plus no dope sick.....= thumbs up!
Completely different highs IMO. Hard to compare the two.
Best answer so far, no one can accurately compare apples to oranges. If I ran across a decent supply of OC and quality cocaine I would go with the OC hands down, even over great coke. Really good blow can feel remotely similar to a stimulating opiate like oxycodone, but it's not the same obviously.