I TP in 75+35 DEX SAM/WAR.
I haven't given a serious thought about this, but my sense telling me it's not worth it that much, especially on a job that are so heavy in WS frequency.
This is how you measure average damage in TPing phase:
Damage = crit_rate*avg_crit_dmg + (1-crit_rate)*avg_normal_dmg
say you got something that boost your crit rate from 10% to 25% (15% increase) without changing your base damage or pDIF. Then your damage increase will be
ΔDamage = Damage2 - Damage1
= [crit_rate2*avg_crit_dmg + (1-crit_rate2)*avg_dmg] - [crit_rate1*avg_crit_dmg + (1-crit_rate1)*avg_dmg]
= (crit_rate2-crit_rate1)*avg_crit_dmg + (crit_rate1-crit_rate2)*avg_normal_dmg
= (25%-10%)*avg_crit_dmg + (10%-25%)*avg_dmg
= 15%*avg_crit_dmg + -15%*avg_dmg
= 15%(avg_crit_dmg - avg_dmg)
Say your average crit damage is 120 damage higher than average damage, then 15% boost to your critical hit rate only boost the damage by 18 damage