I can see you failed to understand my intention with the last comment so I will put a more detailed version for you here:
1. Of course, I pulled the numbers out of the magic hat (I literally said "those are just example numbers"). That was to explain the way anyone can calculate what benefit you will get from each of those stats after I got 3 PMs on that subject. Using variables would be way better (so I won't have to put up made up stats) but you would be surprised how many people do not understand what the fuck they should do with X and Y.
2. If you prioritise Vers over Crit/Haste (as you should be, I hope we do not disagree here) your bis lvl 20 set would have a total of 10 crit or haste (I am excluding the Adaptable pieces here, they will reduce the crit/haste even more but you need RNGesuss on your side to get your hands on one). Those 10 come from all the BG rewards slots: 3 from legs (7 vers 3 other), 3 from feet (5 vers 3 other), 1 from ring (4 vers 1 other), 1 from bracers ( 4 vers 1 other), 1 from 1h (4 vers 1 other) and 1 from off-hand (4 vers 1 other). So that 10 haste would be a total of 2,2 % haste scaled to 20-29 lvl, which will reduce your global CD by 0,033 sec. That's 1/30th of a second. Its faster than a frame on a regular movie you can see in the cinema. I guess it is better than nothing, but TBH I am not sure that tiny bit of a difference is important for me. I would say it depends on the internet speed, reflex speed etc and anyone can decide for themselves.
3. 10 crit, on the other hand, is 1.17 % crit chance. On a regular FC get-out-of-trouble rotation, you can heal :
- 2 Swiftmend * 732,
- 2 Regrowth * 366,
- 1 Regrowth HoT * 91
- 1 Rejuvenation * 262
for a total of 2549 additional health. (the numbers are pulled out of my vet's ass, I would assume most of the FCs would be close to those).
1.17 % of that would be 29.83 health. So for each rotation, you complete, you will gain on avg about 30 effective health and this would increase if you manage to self-heal a larger amount. Of course, this does not take into consideration the overheal (even tho its hard to self-overheal while attacked as an FC), and also RNG % that comes with criticals.
So in conclusion, because of the small amount of crit or haste you can stack, I would say neither will be of great benefit, but in my case, while haste has neglectable benefit, one crit more here and there can save lifes. That being said, anyone can read the wall of text I wrote here and decide what would be bis for their play style.